High Sierra Wave 70 2-Liter Hydration Pack

Features Large main compartment holds a 2-liter water reservoir External reservoir cap Hands-free reservoir pressure valve Insulated water tube cover prevents freezing Zippered front pocket holds smaller items Vapel(tm) mesh Airflow(tm) padded back wicks away moisture Vapel(tm) mesh Airflow(tm) adjustable shoulder straps Reflective loop can hold a bike LED blinker Reflective piping accents Size: 16.5 in x 10.5 in