Skechers Women's Ultra Flex 3.0 - Big Plan ShoesDescription Effortless easy wearing comfort and sporty style combine in Skechers Ultra Flex 3. 0 Big Plan. This Stretch Fit slip on features an engineered knit upper with decorative laces and cushioned Air Cooled Memory Foam insole. Skechers Air Cooled Memory Foam cushioned comfort insole Stretch Fit slip on design for sock like comfort Crafted with 100% vegan materials Engineered knit upper with decorative laces Lightweight shock absorbing midsole