Full 100% cotton sock lining, in-sewn at all finger tips. All seams FULLY welted for durability. Turned leather hems. Extra-large die cut. All premium welders sewn with super-strong, heat-resistant DuPont KEVLAR thread. Glove Style: Welding; Wrist Style: Gauntlet Cuff; Material(s): Leather; Cotton; Kevlar®; Thumb Style: Wing.