4400 Windrider Pack by Hyperlite Mountain Gear (70L)


Size: Small (15.0”-17.0” torso)
Color: White
$ 379.99


Ships in 1-2 business days | Based in Biddeford, Maine | Est. 2010

Yup - with the big pockets!

The solution to the high-volume pack that weighs too much before it’s even loaded, the 4400 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 organizing, weatherproofing Stuff Sacks.


  • 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

See specs tab for details!



    WEIGHT: 2.43 lbs | 39.02 oz | 1106g 

    CAPACITY: Up to 60 lbs


    • Body: DCH150
    • Bottom: DCH150
    • 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)

    2.19 lbs : 35.0oz : 992g

    • Interior Storage Volume: 4400 cubic inch main compartment.
    • Exterior Storage Volume:  600 cubic inch mesh outer pockets (300 cu in main pocket; 150 cu in side pockets).
    • Weight = 2.19 lbs (35 oz.)
    • Includes two removable, shaped aluminum stays.
    • Main body material is made from a durable, 100% waterproof, Cuben/150d Poly hybrid material.
    • Three mesh outer pockets on sides and back of pack.
    • Cushioned antimicrobial hip belt with a wide, 1½” webbing belt.
    • Two water resistant hip pockets for snacks or electronics.
    • Roll-top storm closure with Velcro to keep closure aligned and easy to roll closed.
    • Top Y-strap compressor system – designed to also hold sleep­ing pad, jacket or other gear.
    • Side compression straps to tighten pack load and to stow trekking poles when not in use.
    • Ice axe loop.
    • Thicker padded shoulder straps with moisture wicking, anti­microbial mesh spacer fabric allowing for both cushion and maximum air flow.
    • Adjustable sternum strap with self-tensioning elastic.
    • Internal hydration sleeve with hydration hose port.
    • Includes addition frame sheet back panel support for added weight carrying capacity to 60lbs.
    • Double reinforced Cuben/150d Poly pack bottom.
    • Bar tack reinforcements on all stress points.
    • Stitched with bonded tex 69 thread.
    • Handcrafted in Maine, USA


    • Additional straps to store snowshoes or other equipment, sold separately.

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