Flame Resistant Welding Work Sleeves, Heavy Duty Cowhide Leather & FR Cotton Arm Protection Sleeves for Men Women - with Elastic Cuffs for Welding, Blacksmithing, WoodworkingProduct Features Flame & Heat Resistant Our welding sleeves are crafted from heavy duty cowhide leather and soft FR cotton, not only protecting your arms from sparks and flames, but also ensuring comfort and breathability for safer and more comfortable work Enhanced Durability The cowhide leather part is sewn with strong, flame resistant Kevlar thread, making the VEVOR welding work sleeves exceptionally durable and reliable. They are resistant to wear