The outer layer of the conventional welding gloves series is made of cow's two-layer neck leather with fireproof and heat insulation properties. Full lining inside enhances comfort. It is sewn with high tensile and flame retardant DuPont Kevlar fireproof thread and protective seam strip. The straight thumb design facilitates the operation of welding guns and torches, while the oblique thumb design allows the thumb to move naturally, making it convenient to hold the weldment and weld.