Synthetic leather uppers. Quilted microfiber counter lining for added comfort. Lightweight EVA midsole with slip-resistant rubber soleplate for traction and support. New Supreme Comfort massaging EVA footbed with moisture-wicking sock cover for comfortable all-day wear. Our outsole not only meets, but it exceeds the safety requirements for slip resistance industry testing standards for ASTM F3445-21 in both wet and dry conditions. Slip-On.