Sewn with Kevlar, the Martula Green Lefties Welders Glove achieves EN388 Level 4 resistance to abrasion and tear, Level 3 resistance to puncture, and Level 2 resistance to cut. Under EN407 standards this glove has achieved superb levels of threat protection, including Level 4 resistance to flammability and molten metal, Level 3 convective heat resistance, and Level 2 contact heat and radiant heat resistance