The perfect size backpack that fits everything you need!Meet the Unisex Quickstart 2.0 Hydration Pack by Nathan Sports, a smart hydration solution in Breezy Blue/Storm Green. Crafted with moisture-wicking stretch woven fabric and chafe-free binding materials, this pack offers breathable mesh shoulder straps for comfort. Featuring a 1.5 L hydration bladder, adjustable sternum straps, and a variety of pockets including a zippered phone pocket and bottle pocket, it's designed for convenience. With reflective hits for 360-degree visibility and a storage capacity of 366.1 cu in/6 L, this pack is perfect for your active lifestyle.