What Are Backpacks Made Of? 10 Materials, Fabrics & Finishes Explained

What are backpacks made of? Ever wondered why two bags look almost identical but perform differently after six months on the road? Fabric makes a big difference. The material affects how heavy a backpack feels, how well it handles the weather, and how it stands up to everyday use.

Below, we explore the most common materials on the market, their pros and cons, and best uses to help you find your perfect match.

One thing to keep in mind: A backpack's performance never comes down to one material alone. Fabric weight, construction, coatings and overall design also play a part. So the comparisons below are useful general characteristics rather than hard rules.

What Are Backpacks Made Of?

Beyond branding and aesthetic details, most backpacks are made from a few primary materials. From nylon and polyester to natural-material options such as cotton canvas, hemp, and cork, a backpack's core material can tell you a lot about how it will behave. 

Quick Backpack Material Guide

A quick note on terminology: Backpack specifications often mix fibres, fabric constructions, coatings and branded textile technologies. Nylon and polyester are fibres; ripstop and canvas describe fabric construction; PU and TPU are commonly used as coatings or laminates. A finished backpack fabric can combine several of these at once.

1. Nylon

Nylon offers an exceptionally high strength-to-weight ratio.

Pros

• Good Strength-to-Weight Ratio: Nylon is popular in outdoor and travel backpacks because it can combine low weight with excellent durability and good tear resistance.
• Handles Scrapes Well: Nylon is well suited to backpacks that face regular rubbing, scraping and rough handling.
• Great Flexibility: This material has plenty of give, which lets your bag easily adjust to irregularly shaped contents.
• Weather-Resistant When Treated: Nylon isn't completely waterproof on its own. However, with a PU or DWR finish, it handles rain and splashes well.

Cons

• UV Degradation: Nylon generally doesn't handle prolonged sunlight as well as polyester and may fade or weaken over time.
• More Expensive: Some high-performance nylon fabrics can cost more than basic polyester alternatives.
• Absorbs More Moisture Than Polyester: Nylon fibres take up more moisture than polyester, so nylon can take longer to dry after getting wet.

Best Use

• Hiking, Trekking, and Outdoor Gear: Lightweight and exceptionally tough, the fabric is a top choice for rugged outdoor gear, including hiking, trekking, and mountaineering rucksacks.
• Travel Bags: Highly durable, nylon is also a great choice for travel backpacks.
• Lightweight Daypacks: Nylon is ideal for day hikes and weekend getaways, keeping packs light without compromising durability.

2. Polyester

High-denier polyester is widely used for durable everyday and travel backpacks.

Pros

• High UV Resistance: Polyester generally handles prolonged sunlight better than nylon and tends to retain its colour well. This means it's less prone to fading and fibre degradation over time.
• Budget-Friendly: Often more affordable than comparable high-performance nylon fabrics.
• Low Moisture Absorption: Polyester fibres absorb very little moisture, helping the fabric dry quickly after getting wet.
• Retains Shape & Colour: Polyester stretches relatively little, helping backpacks maintain their structure. It is also known for good colour retention during everyday use.

Cons

• Lower Abrasion Resistance: Compared with some high-tenacity nylon fabrics, standard polyester may wear faster under repeated contact with rough surfaces.
• Less Suited to Extreme Wear: For particularly rugged outdoor use, high-performance nylon is often preferred for its strength and abrasion resistance.
• Stiffer Fibre Feel: Because it's less pliable than nylon, some polyester fabrics can feel firmer than comparable nylon constructions.

Best Use

• Everyday Commuting & School Bags: Polyester bags are perfect for daily use when you prioritise better sun protection, style variety, and a good price over extreme durability.
• Fashion & Lifestyle Packs: Polyester provides a versatile canvas for colour and design. That's why the fabric is commonly used for fashion-forward daypacks.

Choosing between nylon and polyester? For a deeper head-to-head comparison, check out our guide: Nylon vs Polyester: The Backpack Fabric Showdown.

3. Ripstop Fabric

The cross-hatched grid helps stop small tears from spreading.

Ripstop isn't a fibre itself. It's a weaving technique that adds stronger reinforcement threads in a grid pattern, usually to nylon or polyester.

Pros

• Tear Resistance: As mentioned, the best thing about the ripstop technique is how the reinforced grid helps stop small tears from spreading.
• Strong Without Excess Weight: Lightweight ripstop fabrics offer useful tear resistance without adding much bulk.
• Packable & Lightweight: Many lightweight ripstop fabrics pack down easily, making them useful for foldable daypacks and travel pouches.
• Works Well With Weather-Resistant Finishes: Ripstop nylon and polyester are often combined with PU, TPU, or silicone coatings for additional rain protection.

Cons

• Can Cost More: Reinforcement yarns and more specialised construction can make some ripstop fabrics more expensive than basic woven alternatives.
• Technical Grid Look: The grid pattern lends a technical and sporty vibe, so it might not work well with formal or minimalist urban backpack styles.

Best Use

• Ultralight & Long-Distance Hiking: Ripstop is a staple for wilderness gear when you need to shave off weight.
• Packable Daypacks & Travel Pouches: These lightweight yet durable bags are perfect for those who value space. You can fold them into a tiny bundle that springs back into action when needed.
• Alpine & Climbing Gear: Lightweight ripstop fabrics are commonly used in technical outdoor equipment where low weight and tear resistance matter.

4. Polyurethane (PU) Coating

Pros

• High Water Resistance: PU coating is a thin polyurethane layer added to fabric to improve water resistance. The PU coating helps seal the tiny gaps between woven threads. This helps stop moisture, rain, and accidental spills from getting through the fabric.
• Lightweight Water Protection: PU can provide a useful water barrier without adding excessive weight or bulk.
• Cost-Effective: PU is widely used because it offers a practical balance of water resistance, flexibility and cost.
• Compatible With Seam Taping: Many PU-coated fabrics work well with compatible seam tape, helping reduce water entry through stitched seams.
• Adds Structure & Body: A coating can also give some lightweight fabrics a firmer feel and more structure.

Cons

• Coating Can Deteriorate: Some PU coatings can gradually break down after prolonged exposure to heat and humidity, eventually becoming sticky, flaky, or less water-resistant.
• Reduced Breathability: PU coating reduces airflow through the fabric compared with an uncoated textile.
• Not Enough on Its Own: A PU coating improves the fabric's water protection, but seams and openings also need protection for a fully waterproof construction.
• UV & Thermal Sensitivity: Long-term exposure to heat and sunlight can accelerate the ageing of some PU coatings.

Best Use

• Urban & Commuter Packs: If you want a bag that protects your laptop and daily gear from unexpected rain on your way to work, PU coatings are a great choice.
• Outdoor and Camping Packs: Heading out for a weekend hike or camping trip? This extra layer can add protection without the cost of specialist, expedition-level waterproofing.
• Travel Backpacks & Duffels: PU coatings are also common on soft-sided travel bags and packable daypacks.

5. Recycled Polyester (rPET) 

Recycled polyester gives existing PET material, often from plastic bottles, a second life as textile fibre. Photo by Studio ANNA on Adobe Stock

Pros

• Uses Recycled Feedstock: rPET uses existing PET material instead of relying entirely on virgin polyester feedstock.
• Reliable Everyday Performance: Recycled polyester is widely used for durable backpack fabrics and linings, offering many of the practical qualities associated with conventional polyester.
• Third-Party Certification: Standards such as GRS can verify recycled content and track the material through the supply chain.

Cons

• Microfibre Shedding: Like virgin polyester, rPET is still a synthetic fibre and can contribute to microfibre pollution during wear and washing.
• Quality Can Vary: Recycled polyester isn't one single fabric, so durability and feel can vary between products.
• Price Can Vary: Recycled polyester may cost more than conventional polyester depending on the material, certification and supply chain.

Best Use

• Urban & School Backpacks: If you need an office, laptop, or school bag made with recycled content, rPET is a great choice.
• Casual Outdoor & Lifestyle Daypacks: rPET is also great for beach totes, gym duffels and casual weekend daypacks. It offers many of polyester's practical qualities for everyday outdoor use.
• Travel Luggage & Cabin Liners: rPET is also commonly used for luggage linings and outer shell fabrics.

6. Recycled Nylon

Pros

• Good Strength-to-Weight Ratio: Recycled nylon can offer nylon's strength and durability.
• Good Abrasion Resistance: Recycled nylon can be a strong choice for backpacks designed to handle regular rubbing and rough use.
• Uses Recycled Feedstock: Recycled nylon gives existing nylon waste a second life and reduces reliance on virgin nylon feedstock.

Cons

• Can Cost More: Some recycled nylon fabrics cost more than conventional alternatives because of their recycling and processing requirements.
• Higher Moisture Absorption: Nylon absorbs more moisture than polyester, so nylon backpack fabrics are often paired with coatings or finishes for additional rain protection.
• UV Exposure: Like virgin nylon, recycled nylon generally doesn't handle prolonged sunlight as well as polyester.
• Harder to Recycle Again: Like most synthetic bags, finished backpacks combine fabric with coatings, zips, foam, thread, and hardware, which can make end-of-life recycling difficult.

Best Use

• Heavy-Duty Travel & Carry-On Backpacks: Recycled nylon is ideal for backpacks and duffels built to withstand overhead bins, airport terminals, and rough transit.
• Hiking & Mountain Backpacks: Recycled nylon is also well suited to tough mountain trails where low weight and durability are priorities.
• Urban Packs: Recycled nylon can provide a durable alternative to virgin nylon for everyday and commuter backpacks.

7. Leather 

Soft, supple leather looks great for everyday wear whilst still being durable with appropriate care. Photo by Maren Winter on Adobe Stock

Pros

• Premium Patina & Ageing: Full-grain leather collects natural oils over time, gradually softening and developing a rich, distinctive patina that makes your bag feel uniquely yours.
• High Durability: Good-quality full-grain leather can last for many years with proper care.
• Form Stability: Thicker, firmer leather can help a backpack hold its shape even when it isn't full.
• Natural Puncture & Scuff Resistance: Thick hide stands up well to cuts, scratches and punctures.

Cons

• Heavyweight: A leather backpack is generally heavier than a comparable lightweight nylon or polyester bag. You can feel the weight even before tossing anything inside.
• High Price Tag: Because of higher material and manufacturing costs, full-grain and top-grain leather backpacks are a significant investment.
• Requires High Maintenance: Leather bags ask for occasional conditioning with balm or oil so the hide won't dry or crack.
• Vulnerable to Water & Mildew: Leather is not naturally waterproof. While the material handles minor splashes well, heavy soaking can cause stiffness, staining, or mildew, especially if it isn't dried properly.

Best Use

• Office & Business Bags: Full-grain leather works well with clean, structured designs, complementing everything from tailored suits to relaxed business casual.
• Luxury Fashion Carry: With rich textures, custom hardware, and unique patinas, a leather bag doubles as a bold statement piece to elevate any outfit.
• City & Weekend Travel Bags: A smart choice for daily urban use, overhead bins and weekend escapes. Leather packs are for those who value structural strength and classic aesthetics over ultra-lightweight performance.

8. Cork Fabric

Cork fabric usually combines a thin layer of cork with a flexible textile backing, allowing it to be cut and sewn into bags and accessories.

Pros

• Renewable Bark Material: Cork comes from the outer bark of the cork oak. When harvested correctly, the tree remains alive, and the bark grows back.
• Lightweight: Cork itself is low-density, though a finished cork fabric's weight depends largely on its backing.
• Naturally Moisture-Resistant: Cork contains suberin, which helps it resist water absorption. Finished backpack performance still depends on the complete cork fabric and bag construction.
• Distinctive Natural Look: Cork has a unique grain and soft texture that gives lifestyle bags a different look from conventional woven fabrics.
• Animal-Free: Cork fabric can provide an animal-free alternative to leather when made with non-animal backing materials.

Cons

• Can Show Wear: Repeated rubbing and folding can gradually mark or damage the cork surface.
• Better Suited to Lifestyle Bags: Cork fabric is more commonly used for fashion, commuter and everyday bags than for demanding technical backpacks.
• Can Cost More: Cork fabric is more specialised than mass-produced polyester, which can make it more expensive.

Best Use

• Urban Commute & Lifestyle Bags: Cork backpacks are perfect for daily transit, whether you need a lifestyle backpack or a compact laptop bag.
• Animal-Free Style Option: When paired with non-animal backing materials, cork fabric offers a natural-looking alternative to traditional leather.
• Lightweight Daypacks: Cork fabric can be a lightweight option for casual daypacks, festival bags, and city exploring.

9. Hemp 

Hemp offers good natural-fibre strength and softens with use. Photo by Africa Studio on Adobe Stock

Pros

• Naturally Strong: Hemp fibres have good tensile strength, making them suitable for durable woven fabrics.
• Softens with Age: Like a good pair of jeans, hemp starts sturdy and gets softer and more comfy over time. No worries, as the fabric still offers good strength for everyday use.
• Natural Fibre: Hemp is a fast-growing plant used to produce durable natural textile fibres, offering an alternative to fully synthetic backpack fabrics.

Cons

• Absorbs Moisture: Untreated hemp fibres readily absorb moisture, so a water-resistant lining or finish can help protect the contents.
• Stiff Out of the Box: A 100% hemp backpack can feel slightly firm at first, but it will loosen up and soften over time.
• Can Cost More: Hemp fabrics can cost more than mainstream cotton or polyester depending on processing and availability.
• Can Crease: Unblended hemp fabrics can develop visible creases with use, although blends may offer a smoother appearance.

Best Use

• Commute & Campus Use: A practical option for everyday school or commuting bags, especially for people looking for plant-based alternatives to synthetic polyester bags.
• Casual & Travel Daypacks: Also fantastic for urban daypacks, tote bags and casual travel backpacks when you want a durable natural fabric with a distinctive look and feel.
• Dry-Weather Trail Daypacks: For clear-sky adventures when you don't need serious waterproofing, hemp backpacks are a great companion for short trails and casual camping.

10. Canvas

Canvas is a densely woven fabric commonly used for durable everyday bags. Photo by Paweł Michałowski on Adobe Stock

Canvas is a tightly woven fabric, not a single specific fibre. Backpack canvas is commonly made from cotton, although synthetic and blended versions also exist.

Pros

• Durable Construction: Heavy, densely woven canvas handles regular knocks, rubbing, and rough use well.
• Aesthetics & Patina: Over time, canvas backpacks pick up scuffs, creases, and colour shifts. This adds character and creates an appealing, well-worn appearance for your bags.
• Natural Feel: Unwaxed cotton canvas has a soft, textured feel that many people prefer to smoother coated synthetic fabrics.
• Pliable & Easy to Repair: Small tears and worn areas can often be patched or stitched.

Biodegradable Fibre: Untreated cotton fibres can biodegrade under suitable conditions, although a finished backpack may also contain synthetic thread, coatings, foam and hardware.

Cons

• Heavy Weight: Compared with lightweight synthetic fabrics, canvas adds more weight and can make a backpack feel heavier.
• Absorbs Water When Untreated: Without a protective coating, canvas soaks up water like a sponge. A rainy day can leave your bag noticeably heavier and damp for longer.
• Maintenance & Wash Restrictions: For the waxed versions, you will need to re-wax them now and then to protect the water-resistant finish. Traditional waxed canvas is usually best spot-cleaned rather than machine-washed, but always follow the bag's care instructions.
• Prone to Mould & Mildew: You'll need to dry your backpack properly before storing it. Otherwise, the trapped moisture can quickly lead to mildew and unpleasant smells.

Best Use

• Heritage & Urban Commuter Packs: Looking for a stylish work bag or campus backpack? If you prioritise timeless beauty over lightweight, technical designs, then canvas is a good fit.
• Casual Everyday Carry: We also recommend canvas for work, school and daily backpacks if you want a reliable, stylish bag and don't need ultralight weight and heavy weatherproofing.
• Casual Travel & Weekender Packs: Canvas works well for duffels or weekend backpacks that prioritise durability and character over saving every gram.

Which Backpack Material Is Best for You - A Quick Guide

Why Does Backpack Fabric Matter? 5 Key Factors

The fabric plays a major role in a backpack's long-term performance. A clever pocket layout means little if the outer fabric wears through too quickly, but material is only one part of the equation. Construction, stitching, hardware and design all work together to determine how well a backpack performs over time. Choosing the right material comes down to a few key factors:

1. Durability

The primary function of a rucksack material is to survive continuous physical stress. You'll drag your bag over cobbled streets, squeeze it under an airline seat, or push it to its limits with heavy loads. The fabric must hold up with these two major qualities:

• Tensile & Tear Strength: Tensile strength describes how well a fabric withstands pulling forces before breaking, whereas tear strength measures how well it resists an existing tear from spreading. Puncture resistance is another separate property that matters when a bag comes into contact with sharp objects.
• Abrasion Resistance: How well the fabric handles repeated rubbing and friction. Dense, high-tenacity fabrics such as certain CORDURA® constructions offer excellent abrasion resistance, making them ideal for bags exposed to frequent rough handling.

What Does Denier Mean?

Denier (D) tells you how thick and heavy the yarn is. A higher number usually means a heavier, more robust fabric, but it isn't a direct durability score – 1000D isn't automatically twice as durable as 500D.

2. Water Resistance

Fabrics with the right treatment can protect your gear from water (to a certain level).

Your bag needs to keep your electronics, clothing, and important gear safe from rain, snow, and spills.

Some fibres absorb very little water, which helps a bag dry faster. But a woven fabric's rain resistance comes mainly from its construction, plus coatings, laminates, or surface treatments.

Moreover, water-resistant and waterproof are not the same thing. Even when the fabric itself is waterproof, water may still enter a backpack through seams, stitching, zips, or openings.

Common methods of improving water protection include:

• PU Coatings: A polyurethane layer applied to the fabric to increase resistance to water penetration.
• TPU Coatings: Thermoplastic polyurethane can be used as a coating or film to create a flexible water barrier.
• Laminates: Multi-layer constructions such as X-Pac® or certain Dyneema® Composite Fabrics combine different layers to provide strength and water protection.
• DWR Treatments: Durable Water Repellent treatments help water bead and roll off the fabric surface. They improve water repellency but don't make a fabric waterproof on their own.
• Waxing: A traditional treatment that coats heavy canvas with wax to help repel water. However, you may need to renew the treatment over time.

3. Weight & Carry Comfort

Every gram counts when you’re on your feet all day, so choosing a lightweight fabric can make a real difference to your trip. However, not all fabrics are created equal.

Heavy canvas and some high-denier technical fabrics can offer excellent durability, but they also add weight. At the other end of the spectrum, high-tenacity nylon and other lightweight technical fabrics can deliver impressive strength without excessive bulk.

4. Aesthetics

This isn't about out-of-the-box looks. What matters is how well it holds up over time.

For anyone who loves character, waxed canvas and leather age like fine wine. Both develop visible marks and patina that some people value.

Synthetic fabrics such as nylon and polyester can offer good colour and shape retention, although they can still fade, abrade and show wear over time depending on the dye, finish and conditions of use.

5. Sustainability

Material choice can also affect a backpack's environmental footprint, although no single material is automatically sustainable in every respect.

Recycled polyester and nylon use recycled feedstock instead of relying entirely on virgin material. Natural materials such as hemp, cotton, cork and leather bring different environmental considerations of their own.

No single material is automatically the most sustainable choice, so it's worth considering factors such as recycled content, material source, durability and certification.

If you want a complete roadmap to finding your ideal bag, check out our guide on How to Choose a Backpack (Without the Guesswork)

Which Material Is Best for Each Backpack Type?

It all comes down to your needs and preferences.

No single material is perfect for every backpack. The best fabric depends on what you prioritise: weatherproofing, durability, abrasion resistance, or aesthetic value. Here’s how different backpack materials suit different bag types.

Waterproof Backpacks

Built with waterproof fabrics and sealed seams, these bags can provide strong protection in rain and wet conditions.

• PVC-Coated Fabrics: PVC can create a durable waterproof barrier and is commonly used for bags designed for very wet environments. The downside is that it can be relatively heavy and stiff.
• TPU-Coated or Laminated Fabrics: TPU can provide a flexible waterproof barrier and is widely used in technical and outdoor bags.
• PU-Coated Nylon or Polyester: PU-coated fabrics can range from water-resistant to waterproof depending on the coating and its resistance to water penetration. A waterproof backpack also needs suitably sealed seams, zips and openings.
• Seams & Zips: Waterproof fabric alone isn't enough. Sealed or welded seams and suitably water-resistant or watertight zips help reduce the points where water can enter.

Lightweight Backpacks

These backpacks cut unnecessary weight whilst still providing reliable structure. They are a perfect match for long-distance hikers, day hikers and travellers prioritising low weight.

• Dyneema® Composite Fabric: Known for its very high strength-to-weight ratio, certain Dyneema® composites are used in ultralight backpacks where every gram counts.
• Nylon (Ripstop / Silnylon): Lightweight ripstop uses a reinforced grid to limit tearing while staying light and packable. Silnylon goes a step further with silicone-coated or silicone-impregnated nylon to boost water resistance without adding much weight.
• Thin-Denier Polyester: Lightweight polyester constructions such as 150D or 300D can reduce bulk for casual carry.

Heavy-Duty Backpacks

When your backpack needs to carry serious loads or survive rugged adventures, toughness comes first. These situations call for durable, abrasion-resistant materials, even if they add a bit of weight.

• Ballistic Nylon: Originally developed from woven nylon used for military protective equipment, modern ballistic nylon is a dense, tough fabric commonly used in luggage and heavy-duty backpacks. 1680D is one common specification, but ballistic nylon isn't limited to one denier.
• CORDURA® Fabrics: If you know your bag will see plenty of action, you can’t go wrong with this one. CORDURA® is a family of performance fabrics rather than one single material. Heavy-duty versions such as CORDURA® Classic and Ballistic are known for strong abrasion and tear resistance.
• Thick Waxed Canvas: Waxed canvas is more than just a classic look. The built-in coating provides useful protection from light rain and moisture. The catch is that you should expect a heavier pack than you’d get with nylon or polyester.

More Sustainability-Focused Backpack Materials

Travellers looking for recycled or natural alternatives often consider these. Each has different benefits and trade-offs, so recycled or natural doesn't automatically mean “better” in every environmental respect.

• Recycled Polyester (rPET): Some rPET is sourced from post-consumer bottles rather than old textiles. It reduces reliance on virgin polyester feedstock but doesn't necessarily reduce overall plastic production.
• Recycled Nylon: Uses recycled nylon waste to create new fibres. Depending on the recycling process and finished-fabric specification, it can suit demanding travel and outdoor applications.
• Hemp: A natural bast fibre that can produce strong woven fabrics. Weather resistance depends on the finished fabric and any coatings or treatments.
• Organic Cotton: Cotton grown according to organic agricultural standards. It avoids certain synthetic agricultural inputs, but “organic” should not be interpreted as “chemical-free” or as a guarantee that the finished backpack has a lower impact across every environmental measure.

Fashion and Lifestyle Backpacks

Lifestyle backpacks are all about turning heads rather than scaling mountains. Instead of outdoor utility and technical gear, these bags focus on clean lines, nice textures, and a polished look.

• Full-Grain & Top-Grain Leather: Full-grain and top-grain leather are the go-to materials for luxury bag design. Thicker full-grain leather provides good structure and develops a distinctive patina over time, while top-grain leather offers a more uniform, treated finish.
• Waxed Cotton Canvas: Waxed cotton canvas often gives your bag a timeless, retro look whilst also providing useful protection against light rain and moisture. The material is ideal for camera backpacks and heritage-style bags that need to handle occasional rain but still look great.
• Synthetic and Alternative Leathers: A wide range of animal-free materials are designed to recreate the look and feel of leather. PU microfibre constructions can provide a smooth, structured finish, but durability, peeling resistance and environmental impact vary significantly between different materials.

But Is Material the Only Thing That Matters?

There are many factors involved.

Quality fabric is just the starting point. How a pack is built matters just as much as what it's made of when you're out on the road. Even the strongest nylon means less if seams, buckles, and hardware aren't built to withstand physical stress. 

Quality also shows in construction: high-quality YKK zips, precision bar-tack stitching, and an ergonomic build that keeps the load comfortable against your back. When premium materials meet thoughtful design, your backpack stays dependable journey after journey.

Guided by our core ethos: lightweight durability, smart organisation and stress-free functionality, CabinZero builds gear you can count on. Find the right size and style for your next adventure in our collections.

Packing It All Together

Whether you’re commuting to work or heading into the wilderness, fabric plays a big role in how well your bag handles the journey. From heavy-duty CORDURA® fabrics and classic canvas to recycled polyester, each option offers its own mix of durability, weather protection, weight and look.

Knowing each material’s strengths and weaknesses can help you choose a backpack that's comfortable to carry and built to last. Found this guide useful? Share it and tag a friend who’s looking for their next pack. Don't forget to let us know in the comments which backpack material is your favourite.

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