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Description
mountain gear backpack Hyperlite Mountain Gear Windrider 55L – OutdoorlineHyperlite Mountain Gear Windrider 55L Introducing the Windrider 55L an ultralight, high capacity backpack built for those who venture far and pack smart. Since its debut in 2009, the Windrider series has become a trusted choice for thru hikers, long distance trekkers, and wilderness explorers who demand a balance of simplicity, performance, and durability. With its refined features and increased volume, the Windrider 55L is ideal for extended journeys
Hyperlite Mountain Gear Windrider 55L
Introducing the Windrider 55L an ultralight, high-capacity backpack built for those who venture far and pack smart. Since its debut in 2009, the Windrider series has become a trusted choice for thru-hikers, long-distance trekkers, and wilderness explorers who demand a balance of simplicity, performance, and durability. With its refined features and increased volume, the Windrider 55L is ideal for extended journeys where reliability and efficient gear management are key.
This pack is constructed with a new Dyneema® Woven Composite 3.9, an advanced fabric that delivers outstanding abrasion resistance while remaining extremely light and completely waterproof. It’s engineered to withstand rugged conditions while feeling softer and quieter in cold weather — perfect for stealthy movement and lasting comfort. Three spacious external mesh pockets make organizing and drying gear on the go simple and intuitive.
Comfort remains central to the Windrider 55L’s design. The updated shoulder straps and curved, sewn-through back panel are shaped to follow your body’s natural form, ensuring balanced weight distribution and reduced fatigue over long distances. A cushioned foam back panel and dual-density hip belt with zippered pockets provide essential support and convenient access to small items. Additional customization comes from adjustable sternum straps and removable aluminum stays.
Every detail of the Windrider 55L is crafted with function in mind. The roll-top closure with vertical compression straps keeps your load secure and protected from the elements, while the top-mounted Y-strap offers extra storage for bulky items. Daisy chains and removable side compression straps give you multiple options for attaching trekking poles, ice axes, or additional gear externally. The integrated hydration sleeve and hydroport ensure quick and easy access to water on the move.
Whether you’re thru-hiking a long trail, pushing into high alpine terrain, or packing for a week in the wilderness, the Windrider 55L is ready to go the distance. Its rugged materials, thoughtful design, and weatherproof construction make it more than just a backpack — it’s a dependable tool built for ambitious adventures in demanding environments.
| MATERIALS | Dyneema® Woven Composite 3.9, Hardline |
| INTERNAL VOLUME | 55L |
| EXTERNAL VOLUME | 13.4L |
| 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) | 91.4 cm | 36 in |
| TOP CIRCUMFERENCE | 101.6 cm | 40'' |
| BOTTOM CIRCUMFERENCE | 85 cm | 33.5'' |
FEATURES
- Adjustable Roll-Top Closure: A roll-top design with vertical compression straps lets you easily control the pack’s volume, keeping your gear compact, secure, and protected from the elements.
- Top Y-Strap Compression: Provides additional compression for the load and offers a reliable spot to secure extra gear on top of the pack.
- Comfort-Focused Back Padding: A 6.35 mm integrated foam panel adds softness and support for a more comfortable carry over long distances.
- Reinforced Back Panel for Heavy Loads: Dual-density foam combined with a plastic frame sheet ensures structural integrity and support when carrying more gear.
- Ergonomic Hip Belt Design: Built with closed-cell foam and breathable mesh to maximize comfort and distribute weight effectively over long treks.
- Convenient Hip Belt Pockets: Constructed from Hardline with Dyneema® and equipped with durable YKK #5 zippers, these pockets keep essentials like snacks or a headlamp within easy reach.
- Removable Aluminum Stays: Two contoured stays help balance the load and can be taken out to reduce overall pack weight.
- Superior Water Resistance: Fully taped vertical seams and reinforced construction keep rain and moisture out, ensuring your gear stays dry.
- Customizable Sternum Strap: A 19 mm-wide adjustable strap slides along daisy chains on the shoulder straps for a tailored fit across the chest.
- Improved Shoulder Strap Shape: Redesigned for a more natural curve around the neck and shoulders, with additional bar tacks for better adjustment and all-day comfort.
- Advanced Dyneema® Composite Fabric: Dyneema® Woven Composite 3.9 offers outstanding durability at low weight, with superior abrasion resistance, a softer touch, and less noise in cold conditions.
- Flexible External Carry Options: Daisy chains and removable side compression straps provide multiple ways to secure trekking poles, sleeping pads, or other gear externally.
- Hydration System Compatible: Includes a simple bladder hang loop and a repositioned hydroport for quick and efficient access to water while on the move.
- Ergonomic Contoured Fit: A sewn-through back panel shapes the internal structure into a natural curve, improving overall comfort and pack stability.
- Optional Interior Pocket: Add extra organization with a removable internal pocket (sold separately) for storing small items inside the pack.
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
4.1 ★★★★★
Based on 243 reviews
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Product Reviews
★★★★★ 5
Great buy! My dogs love e them
My dogs love these things but don't last long with my crew. They aren't meant for aggressive chewers. Which mine are but I still buy them because my dogs love playing with them. I have one dog who is a pro at removing squeaky within 5 secs , no lie she's mastered it.
Def do not leave your dog unattended. I immediately take the removed squeaky and toss it. My other dog gets the crinkle plastic out whi h I also throw away. They still play with them. I toss them when they are torn to shreds and replace them. My dogs are picky on which toys they like to play with. Which is why I keep buying them.
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Reviewed in the United States on November 21, 2025
★★★★★ 4
Not for aggressive chewers
My dogs enjoy them, but the terrier had holes in the head in minutes. Stuffing and squeaker didn’t last, but they enjoy the legs and crinkles.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
My dogs favorite toy!
Ordered for the 2nd time! My dogs destroy everything but these last!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Nothing is Chew Proof, but these do pretty well
My three 2-year-old Dutch Shepherds have killed every toy except their Kong balls. These octopus toys are hanging in there. My dogs are particularly driven by wiggling the appendages - They LOVE it. My Sheba who normally kills toys immediately has not yet destroyed her octopus. She's been holding it like a teddy bear, that is after she's worn out from throwing it around. I've thrown them in the washing machine and they come out great.
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Reviewed in the United States on December 14, 2023
★★★★★ 5
My pup really loves this toy!
I think they are adorable. and my pup loves them! We have a golden puppy and she loves to chew and play with her toys. This is one of her favorite toys. She enjoys tugging at the legs and making the squeaker squeck! I love my puppy and she loves this and I highly recommend these!
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Reviewed in the United States on November 12, 2023