NFPA 1971 heat protection Durable Eversoft thermal split cowhide leather on both top and palm of the gloves Palm reinforcement with durable Eversoft thermal split cowhide leather Kevlar stitching construction for maximum structural durability Constructed with Porelle insert for optimum breathability and waterproof barrier. Lined with Kovenex for thermal and flame resistance. Seamless fingertips construction for great flexibility and dexterity. Two-ply Kevlar wristlet construction with leather pull tab for maximum flexibility.