Amblers FS47 Heat Resistant Womens Safety Trainer Size:6 Fleece lining for extra warmth Fleece lining for extra warmth 000 Newtons compression Heat Resistant Outsole HRO rated for contact heat resistance up to 300°C for hot working environments Fuel Oil Resistant FO rated outsole resists degradation from fuel oils and petroleum products Waterproof Construction WRC rated waterproof membrane keeps feet dry in wet conditions and outdoor work Penetration Resistant Midsole Steel midsole protects against sharp objects penetrating through the sole (1100 Newtons) Slip Resistant Sole SRC rated for superior grip on ceramic tile and steel surfaces in wet and oily conditions Energy Absorbing Heel 20 Joules of heel energy absorption reduces impact fatigue during demanding work shifts Premium Leather Upper Full grain leather construction provides exceptional durability and professional appearance Ankle Support Mid height boot design delivers stability and protection on uneven terrain Padded Collar Cushioned collar provides comfort and prevents rubbing during extended wear Durable Construction Caterpillar quality engineering built for long lasting performance in tough conditions Penetration resistance Steel midsole to 1100 Newtons Oil resistant outsole