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  • Overnight hiking bag with adjustable capacity

    Explore like a pro no matter your experience level. The Flex Trail ultralight backpack gives you the ability to tailor the pack size to your adventure needs by taking advantage of the horizontal gussets. Cinch it down to a 40L cargo pack capacity for your shorter trips. Expand it out to 60L for your longer backpacking adventures. Continue to customize your backpack with the hardware-based adjustable torso. Keep your essentials close at hand with oversized mesh pockets and zippered hip pockets. The aluminum perimeter frame suspension keeps this backpacking pack lightweight while the support stays strong.

      • Adjustable capacity caters to both shorter and longer trips
      • Lightweight aluminium frame combined with height adjustable harness to give stability and a comfortable carry
      • Stretch mesh Shove It front pocket fits rain jackets and other gear
      • Zip pockets on hip belt and stretch mesh side pockets for water bottles
      • Zipped stash pockets in lid and internal pocket
      • Hydration bladder compatible
    • Capacity 39-56L
      Weight 21.23 kg
      Optimal Carry Weight 7-20 kg
      Torso Fit 39 - 53 cm
      Waist Belt Size 31 - 54 cm
      Dimensions (H x W x D) 70 x 27 x 35 cm
      No. of Hip Belt Pockets 2
      No. of Exterior Pockets 5
    • Sustainability Through Longevity - Sierra Designs products are covered by a Lifetime Warranty against material and workmanship defects

    • Maybe it’s no wonder that the state of California has been the cradle for so many great American outdoor brands. Sandwiched between the Pacific Ocean and the Sierra Nevada mountains, and encompassing no less than nine US National Parks, the Golden State has long been a mecca for outdoor adventurers of every ilk. Sierra Designs is a case in point. California was the natural place for the brand’s co-founders, a pair of young outdoor aficionados named George Marks and Bob Swanson, to set up shop.

      They first met in late 1963 at while working at The Ski Hut in Berkeley, CA. Two years later, Sierra Designs was born. Today, the brand continues to create outdoor equipment and apparel that is functional, beautiful, and most importantly, attainable, enabling outdoor lovers throughout the USA and beyond to hit the trail and fill their souls with a sense of wanderlust.

    Flex Trail 40 - 60L



    Size:
    Colour: Wild Dove/Peat
    Wild Dove/Peat
    Free UK Shipping On Orders £50+
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    Overnight hiking bag with adjustable capacity

    Explore like a pro no matter your experience level. The Flex Trail ultralight backpack gives you the ability to tailor the pack size to your adventure needs by taking advantage of the horizontal gussets. Cinch it down to a 40L cargo pack capacity for your shorter trips. Expand it out to 60L for your longer backpacking adventures. Continue to customize your backpack with the hardware-based adjustable torso. Keep your essentials close at hand with oversized mesh pockets and zippered hip pockets. The aluminum perimeter frame suspension keeps this backpacking pack lightweight while the support stays strong.

      • Adjustable capacity caters to both shorter and longer trips
      • Lightweight aluminium frame combined with height adjustable harness to give stability and a comfortable carry
      • Stretch mesh Shove It front pocket fits rain jackets and other gear
      • Zip pockets on hip belt and stretch mesh side pockets for water bottles
      • Zipped stash pockets in lid and internal pocket
      • Hydration bladder compatible
    • Capacity 39-56L
      Weight 21.23 kg
      Optimal Carry Weight 7-20 kg
      Torso Fit 39 - 53 cm
      Waist Belt Size 31 - 54 cm
      Dimensions (H x W x D) 70 x 27 x 35 cm
      No. of Hip Belt Pockets 2
      No. of Exterior Pockets 5
    • Sustainability Through Longevity - Sierra Designs products are covered by a Lifetime Warranty against material and workmanship defects

    • Maybe it’s no wonder that the state of California has been the cradle for so many great American outdoor brands. Sandwiched between the Pacific Ocean and the Sierra Nevada mountains, and encompassing no less than nine US National Parks, the Golden State has long been a mecca for outdoor adventurers of every ilk. Sierra Designs is a case in point. California was the natural place for the brand’s co-founders, a pair of young outdoor aficionados named George Marks and Bob Swanson, to set up shop.

      They first met in late 1963 at while working at The Ski Hut in Berkeley, CA. Two years later, Sierra Designs was born. Today, the brand continues to create outdoor equipment and apparel that is functional, beautiful, and most importantly, attainable, enabling outdoor lovers throughout the USA and beyond to hit the trail and fill their souls with a sense of wanderlust.

    It felt super comfortable on my back while keeping a minimalist design.

    -Jesse, Verified Buyer

    Sierra Designs

    Flex Trail 40 - 60L

    Size: 40 - 60L
    Colour: Wild Dove/Peat
    + -1
    Colour Wild Dove/Peat
    Wild Dove/Peat