Bladder Volume: 68 oz (2 liter), Storage Volume: 570 cubic inches * Dobby Diamond Ripstop Construction, Drip Free Dual Action Bite Valve * Full Rain Shield With Velcro Fastener, Seven Organized Pockets, Bullet Bite Valve * Adjustable Waist and Sternum Strap, Two Bottle Compartments, Earphone Access * Reflective Taping, Bungee Cargo Holder, Padded Ventilated Back Panel, Bottom Hole Support