The WCT II Waterproof 11″ Pull-On is made with a waterproof HBR membrane with Agion Antimicrobial. There is a removable orthotic Airflow open cell PU insert with a moisture-wicking cover that is breathable from toe to heel, anti-bacterial, anti-fungal and machine washable. This boot features a TPU Hex design tip and foxing guard, a tempered steel shank, cement construction, an oil-resistant phylon midsole, and a “Hex” design lightweight oil, heat, and slip-resistant rubber outsole. The WCT II Comfort System with Poron XRD insert absorbs 90% of strike impact. This boot meets ASTM F2412-11 and ASTM F2413-11 standards for electrical hazard protection. The Aluminum alloy toe meets ASTM F2413-11 standards.