For any outdoor enthusiast, ensuring your gear stays dry no matter the weather is non-negotiable. Whether you’re heading out for a day hike, kayaking trip, or urban commute during a rainy season, having the right waterproof backpack can make or break your adventure. I’ve spent countless days testing, packing, and trekking with various waterproof backpacks, and I can confidently say that the right pack offers both peace of mind and convenience, while protecting your valuables from rain, splashes, and even brief submersion.
In this comprehensive guide, we’ll dive deep into the world of waterproof backpacks—exploring their key features, capacity choices, comfort design, and how they adapt across activities like hiking, kayaking, and cycling. I’ll also provide detailed reviews of seven essential waterproof backpacks based on thorough research and real-world use. From heavy-duty dry packs to sleek commuter models, you’ll get the insight needed to select the best companion for your outdoor lifestyle, tailored to your unique needs and preferences.
So if you’re ready to conquer soggy trails, rainy bike rides, or splash-filled adventures with confidence, read on. This article covers everything you need to know about waterproof backpacks, including essential buying tips, maintenance advice, and how sustainable materials are shaping the gear of the future.
Understanding Waterproof Backpacks: Key Features for Outdoor Use

Before you invest in a waterproof backpack, it’s crucial to understand what makes them truly waterproof versus merely water-resistant. This knowledge ensures you get a pack that’s fit for your specific outdoor scenarios, whether that’s drizzling city streets or whitewater kayaking.
Waterproof vs. Water-Resistant: What You Need to Know
Many backpacks claim water resistance, but that doesn’t guarantee full protection from heavy rain, immersion, or accidental drops in water. Water-resistant backpacks have fabric treatments or coatings that repel light moisture or splashes but usually aren’t sealed against water entry through seams or zippers.
On the other hand, waterproof backpacks are built to completely prevent water ingress. They use specialized materials like TPU (thermoplastic polyurethane), PVC, or tarpaulin, combined with design elements such as:
- Sealed seams: Often welded or taped to avoid leaks.
- Roll-top closures: Creating a watertight lock instead of traditional zippers.
- Waterproof zippers: Designed with seals or covered flaps.
- Durable outer materials: That stand up to abrasion and weather exposure without degradation.
Knowing this difference helped me avoid gear failure when caught in sudden pouring storms on multi-day treks.
The Importance of IPX Ratings and Waterproof Materials
Waterproof backpacks sometimes come with IPX ratings—a standardized measure of waterproofness. For outdoor use, I look for packs rated IPX6 or higher:
- IPX6: Protection against powerful water jets.
- IPX7: Temporary submersion up to 1 meter for 30 minutes.
- IPX8: Continuous immersion, manufacturer-specified depth and time.
Materials also play a central role. TPU laminated fabrics deliver excellent waterproofing combined with durability and flexibility, making them popular in packs like the Sea to Summit Hydraulic Dry Pack. PVC tarpaulin provides heavy-duty abrasion resistance and is commonly used in waterproof floating backpacks such as the Skog Å Kust BackSåk.
Synthetics like nylon coated with waterproof layers and sealed seams are lighter but still highly reliable when properly constructed.
Roll-Top Closures, Waterproof Zippers, and Durable Seams: Design Elements that Matter
A standout feature in high-grade waterproof backpacks is the roll-top closure. This system folds the opening down several times and secures with clips, creating a pressure-locked seal that’s truly waterproof. It eliminates the weakness traditional zippers introduce.
For quick-access compartments, some backpacks use waterproof zippers with rubber seals, which require careful examination for quality to ensure they don’t leak under pressure or extended exposure.
Durable seams are equally vital. Welding or high-frequency heat-taping creates a permanent seal, far superior to stitched and taped seams, which can wear over time.
In practice, these features mean you don’t have to worry whether your electronics, spare clothes, or food supplies stay bone dry, giving you freedom to focus on your adventure.
Choosing the Right Capacity: From Lightweight Daypacks to High-Volume Adventure Packs

Equally important as waterproofing is selecting a backpack size that fits your activity needs and comfort preferences.
Balancing Storage Needs with Weight and Comfort
Backpack capacity usually ranges from small daypacks of 20-30 liters to large expedition packs over 80 liters. Here’s how I’ve matched capacity to purpose:
- 20-30L: Ideal for daily hikes, urban commuting, or light kayaking; fits essentials like food, camera, a jacket, and small tech.
- 30-50L: Suits overnight or weekend trips where you need an extra layer, light camping gear, or extra accessories.
- 50L+: Designed for multi-day expeditions, dry storage of bulky gear like sleeping bags, tents, or extra clothing layers.
Choosing a larger pack might seem safer, but the extra weight and bulk matter, especially when waterproof packs tend to weigh slightly more due to materials. Ergonomics and padding become even more important as volume increases.
Multi-Compartment Storage for Organized Packing
Organization is another concern. Some waterproof backpacks offer multiple compartments that help separate electronics, snacks, wet clothes, and hydration-related gear. Mesh pockets, interior zippered compartments, and external quick-access pockets are a real boon in situations where digging through a packed bag slows you down.
For instance, the Earth Pak Waterproof Backpack offers pockets both inside and out, including a quick-access splash-proof zipper pocket—the kind of thoughtful design that saves time and frustration.
Comfort and Ergonomics in Waterproof Backpacks

Carrying a waterproof backpack comfortably over long distances or on rugged terrains requires attention to ergonomic features.
Ergonomic Back Panels, Breathable Straps, and Supportive Hip Belts
The best waterproof packs incorporate padded back panels that contour to your spine while promoting airflow. Breathable straps, often made from mesh and EVA foam, prevent excessive sweating and skin irritation. This is especially important because waterproof fabrics don’t breathe much themselves.
Additionally, supportive hip belts transfer the weight from your shoulders to your hips, drastically reducing fatigue on long hikes or bike rides. For heavy loads, a sternum strap stabilizes the pack and keeps it close to your body.
Backpacks like the Earth Pak and Sea to Summit Hydraulic Dry Pack excel with ergonomic back panels, padded contoured shoulder straps, and waist belts designed to take the pressure off your back and shoulders.
Features to Reduce Fatigue on Long Outdoor Trips
Additional comfort-enhancing features to look out for include adjustable strap lengths, load lifters (straps that stabilize the pack’s top), and lightweight internal frames. These elements help distribute weight evenly and reduce muscle strain.
Breathability is always a trade-off in waterproof backpacks, so packs with ventilation channels or mesh panels on the back are preferable.
Versatility Across Outdoor Activities: Hiking, Kayaking, Cycling, and More

Waterproof backpacks are not one-size-fits-all. The type of activity greatly influences the design features to prioritize.
Features Tailored for Water Sports and Wet Environments
When kayaking, canoeing, or paddleboarding, complete submersion protection and buoyancy matter. Floating backpacks like the Skog Å Kust BackSåk provide waterproof floating properties, meaning if you accidentally drop your bag overboard, it won’t sink.
Compatibility with hydration systems, daisy chains for attaching gear such as kayaking paddles or helmets, and reinforced lash points for securing your pack to boats or bikes are practical considerations.
Roll-top seals and rugged TPU or PVC materials stand up better to abrasion against rocks, ropes, and wet platforms.
Urban and Commuter Friendly Waterproof Backpacks
For city cyclists and commuters, a streamlined design, laptop compartments, and reflectors for visibility become priorities. Lightweight models like the Ortlieb Commuter Daypack combine waterproof protection with comfort features for daily use.
Additionally, tech protection with padded sleeves for tablets or laptops, quick-access pockets for keys and phones, and stylish aesthetics blend functionality with urban style.
In-Depth Reviews of 7 Essential Waterproof Backpacks

Now, let’s dig into detailed reviews of seven key waterproof backpacks, covering features, specs, pros, cons, and use cases.
Earth Pak Waterproof Backpack 35L
Key Features and Best Uses:
The Earth Pak 35L is a versatile workhorse designed for hiking, kayaking, biking, commuting, camping, and fishing. Its roll-top closure with a reinforced strip delivers a watertight seal, while the interior mesh compartment, key ring, and splash-proof external zippered pocket offer excellent organization.
User Experience and Comfort:
Padded contoured shoulder straps, an ergonomic back panel, and a heavy-duty waist belt make it comfortable on long treks. Its compact size is perfect for weekend trips or daily use with moderate loads.
Where to Buy:
– Earth Pak Official Website
– Amazon
– eBay
Sea to Summit Hydraulic Dry Pack 35L
Materials, Durability, and Waterproof Sealing:
Constructed from heavy-duty 600D TPU laminated fabric, it withstands extreme abrasion and wet environments. The innovative interlocking profile on the roll-top closure secures an IPX7 level of waterproofing.
Adjustable Fit and Harness System:
EVA foam and air mesh harness provides excellent ventilation and customized fit, complete with waist and sternum straps for load management.
Where to Buy:
– Sea to Summit Official Website
– Luggage Factory
– eBay
Skog Å Kust BackSåk 35L
Construction Quality and Organizational Features:
Made from rugged 500D PVC with welded seams, the BackSåk offers IPX6 waterproof protection. It boasts multiple organizational pockets, a large roll-down top, and reflective trim for safety.
Ideal Activities and Extras:
Perfect for water sports and travel, its floating design and side D-rings make securing bottles or tying down gear easy.
Where to Buy:
– Skog Å Kust Official Website
– Walmart
– Amazon
Patagonia Guidewater Backpack 29L
Sustainable Materials and Submersible Design:
Made entirely from 100% recycled materials, this pack offers full submersion protection. Hydrophobic panels and straps reduce water absorption and improve comfort.
Specialized Features for Adventure Travelers:
Includes an internal organizer and compatible mounting options for gear like Patagonia’s Stealth Convertible Vest.
Where to Buy:
– Patagonia Official Website
Chrome Barrage Series
Comparing Different Sizes and Features:
The series ranges from the compact 18L to the mammoth 80L Barrage Pro, all with rugged 1050D nylon exteriors and weatherproof TPE tarp liners. The rolltop expandable closure unites them, with ergonomic shoulder straps and 3D molded back panels enhancing comfort. Most models protect laptops up to 17 inches.
Urban Durability and Lifetime Warranty:
Designed for urban adventurers and messengers, each pack is backed by a lifetime warranty—a testament to Chrome’s confidence in its durability.
Where to Buy:
– Chrome Industries
– Sportique
– MotoSport
Ortlieb Commuter Daypack
Lightweight Design with Tech Protection:
Crafted for city commuters, it features a spacious roll-top main compartment, a padded sleeve for laptops up to 15.4 inches, and breathable, ventilated shoulder straps.
Visibility and Commuter-Specific Features:
Reflective panels and removable sternum/waist straps enhance safety and comfort for cyclists and urban travelers.
Where to Buy:
– Ortlieb Official Website
– REI
Exped Typhoon 25
Environmental Responsibility and Functional Design:
Utilizes recycled, PFC-free fabric, with a roll-top closure for waterproof protection. Side stretch pockets and daisy chains offer convenient storage and gear attachment.
Comfort and Versatility:
Lightly padded mesh back panel and removable hip strap make it adaptable for hiking, cycling, or urban use.
Where to Buy:
– Exped USA
– REI
– Dick’s Sporting Goods
Additional Considerations When Selecting a Waterproof Backpack
Price vs. Performance: Finding Affordable Waterproof Backpacks
Prices for waterproof backpacks vary widely—from under $100 to several hundred dollars—depending on brand, materials, and features. For example, the Earth Pak offers a budget-friendly 35L pack without skimping on essential waterproofing, while Sea to Summit or Chrome’s higher-end models command premium prices for top-tier durability and design.
Look beyond just initial cost; consider warranty coverage, replacement parts, and reviews regarding longevity.
Maintenance Tips to Maximize Backpack Lifespan and Waterproof Integrity
Proper care ensures your pack’s waterproof features last:
- Clean regularly: Rinse off mud and saltwater with fresh water, avoiding harsh detergents.
- Dry thoroughly: Air dry away from direct sunlight to prevent fabric breakdown.
- Store properly: Store in a cool, dry place without compression to maintain shape.
- Check seams and zippers: Repair minor damage promptly to avoid leaks.
Essential Accessories: Dry Bags, Packs, and Protective Covers
Even with a waterproof backpack, sometimes you’ll want extra protection—especially for sensitive electronics or food. Supplemental dry bags or protective sleeves add a layer of insurance, and many packs feature compatibility with hydration bladders to keep liquids separate and accessible.
How to Test Your Waterproof Backpack Before Your Next Adventure
Simple At-Home Tests
Before setting off, try these:
- Water submersion test: Place dry paper inside the backpack and submerge the bag in a bathtub for a few minutes. Check the paper afterward for dampness.
- Spray test: Use a hose or spray bottle to simulate rain exposure, checking for leaks around seams and closures.
Field Testing Recommendations for Confidence
During use, inspect the pack’s dryness regularly and avoid overstuffing, which can strain seams or closures. Pay attention to wear spots, especially after kayaking or rafting trips.
Unique Insight: The Rising Role of Sustainable and Recycled Materials in Waterproof Backpack Design
How Eco-Friendly Backpacks Compare in Performance
Sustainability is increasingly important, and brands like Patagonia and Exped lead with recycled fabrics and PFC-free coatings. These packs maintain rigorous waterproof standards while reducing environmental impact—demonstrating that eco-friendliness and durability can go hand-in-hand.
Brands Leading the Way in Sustainable Waterproof Gear
- Patagonia Guidewater Backpack: 100% recycled, fully submersible.
- Exped Typhoon 25: Recycled materials with non-toxic waterproofing.
- Skog Å Kust: Focused on long-life designs reducing waste.
Choosing sustainable gear helps protect the very environments we love to explore.
Conclusion: Matching Your Outdoor Lifestyle with the Perfect Waterproof Backpack
Selecting the perfect waterproof backpack involves balancing waterproofing, capacity, comfort, activity-specific features, and budget. From the rugged Earth Pak 35L that’s ready for multi-night adventures, to the sleek Ortlieb Commuter Daypack tailored for urban cyclists, there’s an option for every outdoor enthusiast’s needs.
Each pack we explored offers exceptional waterproof protection combined with practical features for organizing gear and minimizing fatigue. Don’t forget to consider factors like IPX ratings, materials, ergonomic design, and maintenance requirements to ensure your investment lasts for years.
As someone who has faced unexpected downpours, splashy river crossings, and sudden storms, I can assure you that having the right waterproof backpack transforms your outdoor experience from worrisome to worry-free. So gear up thoughtfully, keep your essentials dry, and get out there with confidence—whatever adventure calls you.
FAQs About Waterproof Backpacks
Q1: What is the difference between waterproof and water-resistant backpacks?
Waterproof backpacks are fully sealed with materials like TPU and PVC, waterproof zippers, and roll-top closures to prevent any water ingress, even in heavy rain or brief submersion. Water-resistant ones can repel light rain and splashes but are not fully sealed and may leak under prolonged exposure.
Q2: How do IPX ratings affect waterproof backpack selection?
An IPX rating indicates the level of water protection. For outdoor use, look for IPX6 (protection from powerful water jets) or higher. IPX7 or IPX8 means the bag can handle submersion, ideal for kayaking or rafting.
Q3: Can waterproof backpacks protect electronic devices like laptops and cameras?
Yes. Many waterproof backpacks include padded compartments or sleeves specifically designed to protect laptops and cameras from moisture, shocks, and bumps, complimented by their waterproof shells.
Q4: Are waterproof backpacks comfortable for long hikes?
The best waterproof backpacks come with ergonomic back panels, padded shoulder straps, breathable mesh, and supportive hip belts to reduce fatigue and improve comfort during extended use.
Q5: How should I maintain my waterproof backpack to keep it effective?
Rinse off dirt and salt after use, air dry in shade, avoid harsh chemicals, check seams and closures regularly, and store in a dry, uncrowded space. Repair minor issues promptly to retain waterproof integrity.
Quick Takeaways / Key Points
- Waterproof backpacks differ from water-resistant ones by offering full protection from water ingress through specialized materials and designs.
- Roll-top closures, welded seams, and waterproof zippers are critical features for maintaining dryness.
- Choose backpack capacity based on activity length, load needs, and weight comfort—from 20L daypacks to 80L expedition models.
- Ergonomic carries with padded straps, breathable mesh, and hip belts reduce fatigue on long trips.
- Activity-specific features include floating design for water sports or laptop compartments for commuters.
- Sustainability in waterproof backpacks is rising with recycled materials and PFC-free coatings delivering eco-friendly options.
- Regular maintenance, testing, and use of supplemental dry bags help extend pack life and reliability.
Ready to upgrade your gear and tackle the elements with confidence? Explore the backpacks highlighted here, and you’ll find the perfect waterproof pack to keep your adventures dry and enjoyable. Happy trails and safe travels!