The solution to the high-volume pack that weighs too much before it’s even loaded, the Windrider is ideal for expeditions and multi-sport adventures where resupplies are infrequent. Made for extreme environments, we designed these ultralight packs with 100% waterproof Dyneema® Composite Fabrics (formerly Cuben Fiber) and additional elastic frame sheets that provide support for extra load carrying capacity. Complement this pack with organising, weatherproofing Stuff Sacks.


40l = 851g | 55l = 902g  | 70l = 1106g |

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  • Made in Maine
  • Three external mesh pockets — Makes it easy to see what’s in your pockets and allows gear to dry faster
  • Removable, contoured aluminum stays
  • Dyneema® Hardline shoulder straps with 3/8” closed cell foam and spacer mesh
  • Internal plastic frame sheet for added back panel support
  • 1/4” foam back panel pad
  • Compression System
    • Roll-Top closure system with side compression straps for vertical compression
    • Side compression straps for horizontal compression
    • Top Y-strap compression — Designed to secure gear
  • Dyneema® Hardline dual-density hip belt with 1/8” closed cell rigid foam, 1/4” closed cell foam and spacer mesh
  • Dyneema® Hardline zippered pockets on hip belt with #5 YKK zipper
  • Adjustable sternum strap with self-tensioning elastic
  • Ice Axe loop
  • Hydro port and internal mesh hydro sleeve
  • Four exterior triglide buckles for optional pack accessory straps
  • Proprietary seam sealing on all side seams and behind all sewn-on pack features


Weight: 2.19 lbs | 35.0 oz | 992g

Load capacity: 30 – 65 lbs


  • Body: 150D Dyneema®/Poly hybrid
  • Bottom: Double reinforced 150D Dyneema®/Poly hybrid
  • External Pockets: Mesh


  • Interior: 4400 cu. in. (70L)
  • External: 600 cu. in. (9.8L)
  • Center pocket: 300 cu. in.
  • Side pockets: 150 cu. in.


  • Top Circumference: 45” (114.3cm)
  • Bottom Circumference: 37.5” (95.3cm)
  • Height (fully unrolled): 38.5” (97.8cm)
  • Back Width: 10.5” (26.7cm)


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