The Pack-N-Go 20L Sport Backpack is a versatile daypack that packs into its own top pocket for easy carry when not in use. Made from lightweight, durable ripstop fabric with a water-resistant coating, it has a large 18-liter main compartment with drawstring closure, with a 2-liter accessory/pack pocket on top. Dual side pockets can hold 1-liter water bottles, and an internal clip and hydration port let you install a hydration reservoir of your choice. Webbing loops down the front let you hang additional gear. Features: - 18 liter, main compartment with gusseted drawstring cinch closure. - 2 liter, top hanging pocket with zippered access and internal webbing loop. - Dual poly mesh side pockets hold 1000 ml bottles (bottles not included). - Pack stuffs into its top hanging pocket for simple storage. - Front panel webbing loops for lashing gear. - Webbing grab handle. - Internal hydration reservoir clip and exit port for reservoir tube (reservoir not included). - Hose management shoulder strap webbing loops. - Capacity - 1100 cubic inches. - Weight: 0.57 lbs. - 300 x 250-denier Duralite/water resistant coating/hexagon ripstop - Body Dimensions: 18.5" x 10.0" x 8.5"