600D nylon with heavy duty rip-stop overlay. Two zippered side cargo pockets on each side of the large main compartments that zips in half. All compartments are properly ventilated. Once opened, one side has been designed to hold your helmet and boots and the other side has specially designed compartments for your goggles, pants, jerseys and protective wear. 3M scotchlite reflective piping. Mutiple pull handles to aide in retrieving the bag from a luggage rack or the back of your truck. The bag rolls on in-line skate wheels and has a telescopic rack with an extendable handle. Screenprinted Yamaha logos throughout. (33-1/2" x 15" x 18").