Ironclad Heatworx Reinforced Gloves 50% Synthetic Leather w/silane/30% Stretch Nylon/Kevlar/20% Kevelar TM Knit Imported Kevlar inner liner for heat and cut resistance Hotshield palm and reinforcements provide heat, cut, abrasion, and shrink resistance Kevlar blended outer shell and kevlar stitching for durability and protection in high heat environments Extended gauntlet cuff for added protection and comfort Machine Washable