Gore & Strap Sneaker with Qtr Perforations Air Cooled Memory Foam Insole Lightweight Machine Washable Adaptive Closure. Kick it in style with the classic Skechers Street™ UNO Lite 2.0 - Pillar Duo. This lightweight fashion sneaker features a synthetic duraleather upper with quarter perforations, stretch laces, an adjustable instep strap, and a cushioned Skechers Air-Cooled Memory Foam® insole. Product details: Sports shoe, Flat heel, Fastening: laces and touch 'n' close. Fabric content and care advice: Uppers: 97% polyurethane, 3% polyester, Lining: 100% polyester, Cushioning: 100% polyester, Sole: 100% EVA.