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Big Agnes Impassable 20L Backpack

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SKU 163527
Color: Fog
Availability: translation missing: en.general.icons.icon_check_circle icon Out of stock

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  • Features
    • Contoured, anatomically curved back panel with body-mapped foam offers comfort, support and a precise fit with ventilation
    • Articulated Open Range hipbelt provides stability with flexibility for a secure, comfortable fit
    • Contoured shoulder straps with an adjustable sternum strap
    • Adjustable side webbing allows you to compress the pack volume as needed
    • Top-loading access with a zip closure
    • Internal 2 L hydration bladder pocket has a bladder hook and discreet tube routing port; hose keeper clip on the sternum strap keeps your water handy (reservoir not included)
    • Compartmentalized storage includes 2 L hydration bladder pocket, 2 stretch mesh side pockets, a front quick-stash pocket, 2 zip pockets with key keeper and organization pocket
    • Padded pocket with side access fits up to 15 in. (38 cm) laptops and has a mesh floor
    • Webbing and bungee cord loops on exterior of pack are ideal for stashing your trekking poles; exterior also features daisy chain loops for extras
    • Exterior has a top grab handle for easy transport
    • Made with recycled, GRS-certified, high-tenacity nylon MIPAN® regen robic with solution dye ripstop grid
    • The tough, lightweight fabric has a 1,500 mm UTS coating that increases tear strength and durability
    • Accessory raincover and 7 L trash can for collecting day trash or trail litter not included


  • Technical Specs
    Best Use


    Bag Style


    Frame Type


    Gear Capacity (L)

    20 liters

    Gear Capacity (cu. in.)

    1,220 cubic inches


    1 lb. 8 oz.

    Fits Torso Length (in.)

    16-22 inches

    Fits Waist/Hips

    28-54 inches


    Recycled GRS-certified high-tenacity nylon MIPAN regen robic with solution-dye ripstop grid

    Pack Access


    Number of Exterior Pockets

    6 + main compartment



    Laptop Compartment


    Fits Laptop Size (in.)

    15 inches

    Reservoir Compatible



    20 x 8 x 5.5 inches




    Contains recycled materials