Gore & Strap Sneaker with Qtr Perforations Air Cooled Memory Foam Insole Lightweight Machine Washable Adaptive Closure. Sports shoe with flat heel and fastening: laces and touch 'n' close. Uppers made of 97% polyurethane, 3% polyester. Lining: 100% polyester. Cushioning: 100% polyester. Sole: 100% EVA.