Mountain Hardwear Dihedral Pack

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The Mountain Hardware Dihedral technical backpack is designed for the serious user when hauling alpine or climbing gear on single or multi-day climbs.

  • Features

    • Dual-density foam padded, contoured shoulder straps accommodate a wide range of body sizes; foam-padded hipbelt helps distribute load evenly
    • HDPE framesheet with an alloy shaping rod helps transfer load to the hipbelt
    • Compression-molded backpanel balances ventilation, comfort and snow-shedding properties
    • Remove the framesheet and top pocket and swap out the foam-padded hipbelt with 0.5-in. webbing hipbelt (included) for a sub-3 lb. minimalist option
    • Top-loading main compartment features an under-lid rope attachment
    • Front of pack features a high-durability tarp that resists damage from ice axes, crampons and rocks
    • Hide-way, full wrap compression straps offer a clean appearance and let you cinch down loads for jostle-free carrying
    • Heavy-duty webbing ski straps, fully reinforced three-point haul system and a center daisy chain let you attach alpine gear externally
    • Dual Axe-S toggle holds an ice axe or trekking pole securely, yet releases quickly on demand
    • Hydration-compatible design features a reservoir pocket and twin drink-tube exit ports for on-the-go hydration (reservoir sold separately)


    Specifications based on size Medium. Size Large specs are below. Specifications for torso / waist and hips / average volume / average metric volume / average weight / average metric weight are as follows:
    • Large: 18.5 + in. / 31 - 38 in. / 2,600 cu. in. / 43 liters / 3 lbs. 15 oz. / 1.78kg.
    View all Mountain Hardwear Climbing Packs
  • Technical Specs

    Best Use


    Frame Type

    Internal Frame

    Gear Capacity (L)

    40 liter

    Gear Capacity (cu. in.)

    2,450 cubic inches

    Fits Torso Length (in.)

    16 - 19 inches

    Fits Waist/Hips

    27 - 34 inches



    Frame Material

    HDPE / aluminum

    Number of Stays


    Suspended Mesh Back Panel


    Pack Access


    Number of Exterior Pockets

    5 + main compartment





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    4 reviews with an average rating of 4.8 out of 5 stars

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