The convenience of a pull-on and added warmth in our 11-inch, insulated, wellington work boot. The oil, chemical and slip-resistant dual-density PU (polyurethane) outsole is constructed with a direct-attached welt. The moisture wicking lining, waterproof, oil tanned, leather with abrasion resistant Cordura upper and breathable waterproof membrane keep your feet dry all day long. Extra protection of a PU (polyurethane) coating on the lower part of the foot adds additional protection from the elements. The molded TPU (thermoplastic polyurethane) heel guard protects and stabilizes your heel and the OrthoLite insole keeps you ultra-comfortable on the job. Insulated with 400 LiteFire insulation. This steel safety toe work boot is ASTM F2413-11, EH rated.