The Nike Air Max 90 Winter prm Big Kids Shoe keeps the classic design lines of the 1990 original. It features an updated, lightweight construction, plus Ultra 2.0 cushioning, which provides two densities of foam for support and comfort. Leather upper delivers ultra-comfortable, durable wear. Maximum Air-Sole unit in heel with Phylon insert provides cushioning. Torsional shank adds stability. Nike Bareflex cushion pattern with BRS 1000 delivers durable traction. Enhanced forefoot flex grooves integrate with the midsole for toe-off flexibility.