Made From Premium Select Leather to Assure Softness and Durability While Resisting Heat, Sparks, Slag and Cuts, All Seams are Double-Lock Stitched and Sewn, Fully Welted in Stress Areas To Reinforce Critical Wear and Extend Life of the Gloves, Hockey Thumb, Ideal for Welding, Heat Applications and all Other General Purpose Applications Requiring Heat, Flame or Spark Protection.