New Temperbloc welding gloves from Superior feature palms made of high heat-resistant Temperbloc material, a silicone-coated Kevlar®. Temperbloc gloves offer heat resistance properties greater than leather, and provide excellent wet and dry grip, dexterity and flexibility. Designed with input from welding school instructors, the durable gloves don’t stiffen or harden.Superior Glove Ltd.,, (800) 265-7617