The biggest difference between Hyperlite Mountain Gear's 4400 Ice Backpack and traditional expedition packs is the lighter weight, and that makes all the difference. At just over two pounds, the Ice pack holds enough gear for ski touring Alaska's Hayes Range or alpine climbing 14ers. Hyperlite Mountain Gear achieved a phenomenal weight-to-capacity ratio by building the backpack out of Dyneema, which is a rope fabric that climbers depend on when they're falling. This results in an ultralight backpacking that's built to last. The Ice backpack's Dyneema Hardline suspension system includes an internal framesheet for sturdy support, spacer mesh padding at the shoulder straps and waist belt for breathable comfort, and removable aluminum stays for stability when you need it. Hyperlite equipped this pack with a roll-top closure and taped seams for protection against wet weather and snowy conditions. There's also an external attachment for crampons and ice axes, and a zippered internal pocket to secure small essentials and electronics.
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Hyperlite Mountain Gear
Hyperlite Mountain Gear 4400 Ice 70L Backpack
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