Slip-resistant black work shoe in sneaker silhouette. Comfortable construction. Durable leather and synthetic upper. Soft memory foam cushioning for comfort during long shifts. Work x FILA Leather / Synthetic Slip Resistant Memory Foam The shoes were tested in accordance with the applicable industry standards, including: ASTM F2913-11. The slip resistant sole is designed to help prevent slips and falls but this is not a slip-proof shoe. Always exercise caution on slick or wet surfaces.