Introducing your new adventure essential: the Sierra Designs Flex Capacitor backpack! This versatile pack adjusts from 40 to 60 liters, making it ideal for everything from a quick day hike to a lengthy expedition. Crafted from top-quality materials—100D Nylon-Poly Ripstop on the body and 420D Nylon Oxford on the bottom—it’s built to last. The innovative Y-Flex support system with DAC pressed aluminum provides superior support and comfort. With plush shoulder straps and a padded waist belt, even heavy loads feel manageable. The expandable gusset lets you customize the pack's capacity, adapting effortlessly to any journey.