Cut and heat resistant Dupont™ Kevlar® a lightweight synthetic material made of strong para-aramid fibers excellent to protect forearms and wrists from heat and cuts. Available in 12", 14", 18", 24" length s designed for all sizes. Two-ply tubular knit for extra protection. With thumb hole to keep sleeve from twisting and protection in place. ASTM 1790-97, ANSI 3, 675g.