This pack keeps your gear close, secure and organized when commuting to and from training sessions. It opens flat for easy access to must-have items. 100% polyester Zippered main compartment opens wide and flat Adjustable shoulder straps with Max Air give you personalized comfort Multiple zippered pockets on the front Side sleeve holds a 32-ounce water bottle Padded, adjustable shoulder straps Interior sleeve stores a laptop up to 15² Dimensions: 18"h x 11"w x 6"d