The GL124 gauntlet's have aluminised woven Kevlar back which protects against extreme heat. The heavy duty split leather supported palm has a wing thumb with part welted seams construction. The gauntlet's are fully lined with brushed cotton and have a woolen felt lining to palm only. They have a contact heat of 250 degree and a radiant heat of 1000. Ideal For: Welding, Moderate Heat Protection, Grinding, Protection from Small Splashes of Hot Metal