The adidas Tiro 17 gym bag is just the job for day to day use when you need to easily carry some of your gear to the gym or training ground. These lightweight, easy carry Tiro 17 football gym bags are made from polyester and incorporate a drawstring and cinch closure at the top and. The backpack style shoulder straps mean that you can drop in your boots or shirt, throw it on your back and go get playing. Carry loop on top. Printed adidas logo on front. 100% Polyester.