Gore & Strap Sneaker with Qtr Perforations Air Cooled Memory Foam Insole Lightweight Machine Washable Adaptive Closure. Kick it in style with the classic Skechers Streetâ„¢ 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. Uppers: 97% polyurethane, 3% polyester. Lining: 100% polyester. Cushioning: 100% polyester. Sole: 100% EVA.