Sport Backpackadidas Sport Backpack Black Whether you're headed to the gym or the studio, this adidas backpack keeps your gear organised and easy to find. The main compartment has plenty of room for workout clothes, and a separate pocket keeps your laptop secure. Adjustable shoulder straps let you find the perfect fit, and a loop on top makes it easy to grab and go. A sporty backpack. Dimensions: 15 cm x 29 cm x 40 cm Volume: 20. 75 L 100% polyester (recycled)