Go the extra mile in walking comfort with Skechers GO WALK Flex. This walking design features a No Tie Fit textured mesh upper with a breathable Skechers Air-Cooled Memory Foam insole and lightweight ULTRA GO cushioning. Upper & Lining: Textile, Sole: EVA. Heel height approx. 3 cm. Lightweight, responsive ULTRA GO cushioning Skechers Air-Cooled Memory Foam cushioned comfort insole Designed with our exclusive Heel Pillow that holds your foot securely in place.