These women's Skechers Ultra Flex 3. 0 - Big Plan natural athleisure sneakers a must-have. Fashioned with engineered knit upper, these sneakers have a vegan-friendly design, convenient slip-on profile, decorative laces, Air-Cooled Memory Foam insole providing cushioning comfort, Stretch Fit design for sock-like comfort, iconic Skechers logo detail, and a flexible traction rubber outsole. Great news - these sneakers are machine washable! | Skechers Women's Ultra Flex 3.