Fully waterproof, lace up safety work boot with anti-penetration feature S1 Nubuck cow leather, lace-up work boot. Tough and super lightweight with a composite toe cap, waterproof & breathable internal membrane, waterproof stitching and glue. Shock absorbing Phylon midsole for enhanced cushioning, external TPU scuff-resistant toe cap for increased durability, padded PU insole, nitrile rubber outsole that is resistant to 300 degrees Celsius. Also, it has the anti-penetration feature.