Nike CLASSIC What adventures will the day bring? Playful bubble lettering adds a fun twist to the iconic Nike CLASSIC kids' backpack. It's made of a densely woven polyester, which is durable and sturdy, and it has a spacious main compartment to fit all your gear, while the zippered front pocket can safely store small items, including snacks. You can adjust the padded shoulder straps for a comfortable fit, and the side pocket fits a water bottle. Nike CLASSIC