These drivers style leather gloves are constructed with a premium-grade grain cowhide palm and standard-grade split cowhide leather back. The keystone thumb provides great comfort. Premium-grade grain cowhide leather palm and standard-grade split cowhide leather back. Ergonomic keystone thumb improves durability, comfort, and dexterity while reducing hand fatigue. Overcast color on hem for easy size identification. Open cuff allows for easy donning and removal.