Grubs Ceramic Driver 5.0in charcoal and black are safety boots that are the next step in innovation. Grubs® were the first to create the CERAMIC SAFETY TOE that complies with AS/NZS 2210.3. This feature will make the boots lighter in weight, doesn't conduct electricity and in winter are warmer than standard steel toe caps. Grubs CERAMIC DRIVER 5.0 S5™ uses non-metallic materials, this means it conducts neither cold nor electricity making them popular in a wider field of safety footwear. Designed to be ankle height, which allows machinery drivers to experience Grubs comfort and warmth. Ankle height saftey boot. 5mm INSUFOAM-ULTRA™ neoprene with calf height rubber - Adding to the comfort and warmth Grubs® provides. Ceramic saftey toe. Anti-penetration insole - Complies with AS/NZS 2210.3. Comfort rating: -20°C to +20°C. Grubs Ceramic Driver 5.0 Work & Safety Boot in Charcoal and Black