REEBOK MULTI-SPORT HYDRATION BACKPACK or can be used as a small day pack Size 18"x10"x 5" Takes 2L or 70oz reservoir Comes with new 2 L reservoir Plus and additional 2L reservoir which can be stored in pack section Great for Biking, Running, Hiking, Skiing, or almost any outdoor activity and travel Main compartment holds reservoir and extra gear Expansion gusset for helmet or extra gear Front accessory pocket for phone, wallet, keys Airflow padded back wicks moisture away Adjustable backpack straps have a wide neck Adjustable waist belt Adjustable sternum strap stabilizes pack Reflective loop holds a bike LED blinker for safety. Excellent new condition $65 Firm **************************