Purchased and son wore once. Boys youth size 4 Nike AirMax sneakers. The vibes of the '80s take to the streets of today in a throwback running shoe reborn as a kid-size sneaker with a bubble of Nike Air cushioning in the sole. • Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step • Cushioned footbed • Visible Max Air unit in the heel provides clear Air-Sole cushioning • Leather, textile and synthetic upper/textile lining/rubber sole