Sierra Designs Flex Trail 40-60 Backpack Whetstone The male/female connection with the

The male/female connection with the base provides seamless response

To celebrate the centenary of the 24 hours of Le Mans

Heat-treated to 58HRC

Can you use your cup for hot coffee or tea

Snugpak Response Pak Specifications & Features:

Sierra Designs Flex Trail 40-60 Backpack Whetstone The male/female connection with theSierra Designs Flex Trail 40 60 Backpack BIG ADVENTURES MADE LIGHTER 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