Day hikes, daily bike commutes, and the everyday grind, the Marmot Kompressor Backpack is made to handle it all. Marmot updated the ultra-light Kompressor pack to maximize comfort and portability, wherever you find yourself. Stow-aways into zippered lid pocket for easy carry Single tool/trekking pole attachment Hydration port and clip for hanging reservoir Removable closed-cell foam back sheet Airmesh shoulder straps Full body, lightweight compression straps Daisy chains Sternum strap Highly compressible Durability without the weight YKK zippers