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Description
hyperlite mountain gear windrider Hyperlite Mountain Gear Windrider 40L – OutdoorlineHyperlite Mountain Gear Windrider 40L Meet the Windrider 40L, the ultralight backpack built to handle nearly any adventure. Originally introduced in 2009, this pack has earned its reputation among thru hikers and backcountry explorers alike for its remarkable combination of simplicity, performance, and durability. Designed for those who move fast and travel light, the Windrider 40L blends the iconic features of Hyperlite Mountain Gears original packs
Hyperlite Mountain Gear Windrider 40L
Meet the Windrider 40L, the ultralight backpack built to handle nearly any adventure. Originally introduced in 2009, this pack has earned its reputation among thru-hikers and backcountry explorers alike for its remarkable combination of simplicity, performance, and durability. Designed for those who move fast and travel light, the Windrider 40L blends the iconic features of Hyperlite Mountain Gear’s original packs with modern upgrades, making it a trusted companion for multi-day treks and alpine missions.
At the heart of the Windrider is the new Dyneema® Woven Composite 3.9 fabric, offering exceptional abrasion resistance while keeping the pack incredibly lightweight and 100% waterproof. This cutting-edge material not only enhances long-term durability but also feels softer and quieter in cold weather—an important touch for comfort and stealth. The pack’s body is complemented by three large external mesh pockets that make organization easy and provide airflow to dry wet gear while you move.
Comfort and fit are equally prioritized in the Windrider 40L. The redesigned shoulder straps and sewn-through back panel follow the natural contours of your body, providing better weight distribution and reducing pressure points during long hauls. An integrated foam back panel and dual-density hip belt with zippered pockets give the support and convenience you need for full-day efforts. Adjustable sternum straps and removable aluminum stays further customize the fit and carry experience.
Functionality is deeply embedded in the Windrider’s design. A roll-top closure with vertical compression straps allows you to easily manage volume and maintain a stable load, while a Y-strap on top secures additional gear. The external daisy chains and removable compression straps give you total flexibility to carry tools like trekking poles or ice axes securely. Hydration is just as seamless, thanks to a simple bladder hang loop and hydroport for quick access on the move.
Whether you’re thru-hiking the Appalachian Trail, navigating alpine ridges, or exploring remote backcountry routes, the Windrider 40L is engineered to go the distance. With its durable materials, thoughtful upgrades, and weatherproof construction, this is a pack that adapts to your ambitions and excels in the world’s harshest environments. It’s not just a backpack — it’s a proven tool built for bold adventures.
| MATERIALS | Dyneema® Woven Composite 3.9, Hardline |
| INTERNAL VOLUME | 40L |
| EXTERNAL VOLUME | 11.5L |
| WEIGHT |
White: 840 g, Black: 844 g
*Average weight based on size medium* |
| LOAD CAPACITY |
Up to 18 kg | 40 lbs |
| BACK WIDTH | 27.9 cm | 11 in |
| HEIGHT (FULLY UNROLLED) | 80 cm | 31.5 in |
| TOP CIRCUMFERENCE | 95.3 cm | 37.5'' |
| BOTTOM CIRCUMFERENCE | 85.1 cm | 33.5'' |
FEATURES
- Adjustable Roll-Top Closure: Roll-top system with vertical compression straps helps manage pack volume, keeping your gear compact, secure, and weather-protected.
- Top Compression Y-Strap: Offers extra load compression and provides secure storage for gear on top of the pack.
- Comfort Back Padding: Integrated foam back panel (6.35 mm thick) adds cushioning and support for improved comfort on the trail.
- Supportive Back Panel (for heavier loads): Dual-density foam panel with a plastic frame sheet ensures structure and support when carrying larger loads.
- Ergonomic Hip Belt: Constructed from closed-cell foam and breathable mesh for long-distance comfort and better weight distribution.
- Zippered Hip Belt Pockets: Made from Hardline with Dyneema® and featuring YKK #5 zippers, these pockets offer quick access to essentials like snacks or a headlamp.
- Removable Aluminum Stays: Two contoured stays help distribute weight evenly and can be removed to reduce pack weight.
- Enhanced Water Resistance: Fully taped vertical seams and reinforcements behind sewn-on features keep moisture out and gear dry.
- Adjustable Sternum Strap: 19 mm-wide strap slides along daisy chains on the backer straps, allowing a custom chest fit.
- Redesigned Shoulder Straps: Shaped to better curve around the neck and shoulders, with more frequent bar tacks for finer strap placement and comfort.
- Dyneema® Woven Composite 3.9 Fabric: Highly durable and lightweight, this woven Dyneema offers excellent abrasion resistance, reduced crinkle noise in cold weather, and a smoother feel.
- Versatile External Carry Options: Removable side compression straps and daisy chains on the outer pockets allow for flexible gear attachment and secure carrying of items like trekking poles or sleeping pads.
- Hydration Ready: Simple hydration bladder loop and repositioned hydroport ensure convenient access to water on the move.
- Contoured Ergonomic Fit: Sewn-through back panel locks the internal structure into a curved shape for a more natural and stable fit.
- Optional Internal Pocket: A removable inside pocket (sold separately) can be added for extra organization and internal storage.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Good roller
Sturdy and strong. Rolls smooth. I used it to put down sound deadener in my classic car. Sometimes you think cheap is cheap but this is a good one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
★★★★★ 5
Great value great quality.
Very good quality made and very good price.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Makes For Quiet Rides
Model: 10 SqFt(0.95 SqM)
Comparable quality and performance to name brand competitor. It sticks on strong, easy to apply, and does make a difference in sound reduction. Turn your hollow shell sounding vehicle panels into solid sounding walls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
★★★★★ 5
Must for subwoofers. True 2mm spec. High quality.
Model: 36 SqFt(3.4 SqM), Model: 36 SqFt(3.4 SqM)
Let me start of by saying WOW! This made a huge difference in the SQ of my L7S pushing 930w rms. Before I had major rattles in my 2020 Honda Civic SI. Taking the time to do this to my trunk and Lid made me realize just how loud my subwoofer actually is. It literally eliminated the rattles throughout my whole car. I still plan on doing this to my doors and rear deck but once I upgrade the speakers. I still have half of the box just doing the trunk and lid so 1 box of 36sf will be enough for most of the areas that need to get done. You may need a little more overall. This is true 2mm spec. Very sticky and easy to apply. It just take time to finish the work correctly and roll it down. It is not as heavy as I thought it was going to be. The size of the sheets are perfect for what you need to do. The value is on point for the quality. It does not rip very easily but you can cut it to size without any problems. Again, This is a must buy for anyone who is pushing 1000w rms or more.
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Reviewed in the United States on November 29, 2025
★★★★★ 5
Quality product you
Model: 18 SqFt(1.7 SqM), Model: 18 SqFt(1.7 SqM)
Summary: Great quality product, priced right. Cuts and installs easy-follow the instructions people!! PRO TIP-you don’t need to cover every square inch. OVERKILL!! Think about it-when a bell rings you could put your fingers on the edge and silence it right? Same rules apply here. A strip or square will isolate the vibration and notice when placed correctly— knock on the surface and see what vibrates or what part makes the loudest drowning and that’s a good clue of where you should put a piece of this…unless you’re trying to use it for temperature insulation no need to go ape on it. If you look at the bottom of a stainless steel sink, it’s got a stripe or a small sticker of insulation that keeps it from rattling. You can do that here. What’s important to note is the instruction specifically say use a roller to roll the ribs out until it’s smooth that way you’ve got maximum adhesion. I see a lot of pictures and videos from people that finished their install and didn’t follow this simple instruction. It makes sure that it’s stuck down before you put all your paneling and carpet back in and it’s a small step with a cheap wooden roller it’s easy. I’ll say the installation with this product is a breeze. You can use sharp scissors or a blade. It does get gummy after a while, and you may need to clean off your blade or your scissors, but it cuts very well and the ribs make it easy to size in space the thickness is fantastic and the backing paper comes off quite easily. I’ve done lots of installations with Graphics emblems you name it and this product is very easy to use and represents good value.
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Reviewed in the United States on March 30, 2026
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