CLC Custom Leathercraft 173X Thunder XtraCoverage Flex Grip Work Gloves, Extra Large Shell: Korean Suregrip 30%/Spandex 30%/Synthetic Leather 20%/Neoprene 10% Lining: Polyester 100% Interlining: TPU Imported Synthetic leather is tough, soft and comfortable to wear, resists shrinking, stretching and hardening HIPORA PU membrane liner protects from outside dampness but allows body moisture out Padded knuckles provide protection against bumps Wing closing strap for perfect adjustments and easy-on, easy-off Lycra side panels for improved dexterity