Updated for 2013 to include Pearl Izumi's anatomic 1:1 Glove Fit and 1:1 Gel Padding arrangement, the Elite Gel Vent Bike Gloves are now even more comfortable and durable than before. 1:1 Gel Glove Padding creates a bridge over the Ulnar and Median nerves for superior comfort. 1:1 Glove Fit minimizes bunching on the palms to provide superior grip comfort and handlebar feel. In R Cool mesh palm lining provides optimal skin cooling and effective moisture management as you perspire. Synthetic leather palm is soft and durable anatomic palm patterning provides optimal comfort. Includes a soft, low profile wiping surface on the thumb. Tab on the ring finger allows for easy glove removal. Hook and loop closure ensures a secure fit. Glove back is 80% Nylon, 15% Polyurethane, 5% Spandex Palm is 60% Nylon, 40% Polyurethane.