Nike Utility Gym Sack This gym sack keeps training necessities close when you re between home, work and the gym. Its durable design stands up to the trials of transport keeping cargo covered and secure. 100% polyester Main compartment zips at the top for easy access to gear Durable material helps shield things from everyday bumps and scrapes Adjustable straps let you carry the pack in comfort Contrast welded Swoosh design trademark Dimensions: 20″h x 13″w; Approx. 260 cubic inches