State-of-the-art Racing gloves. The Racer High Speed Black has a palm made with kangaroo leather and the finest Pittards® leather (specially treated and very durable). The newest development of KNOX® protectors are applied to protect your thumb joint and scaphoid bone. A TPU protector on the wrist and a tunnelled SUPERFABRIC® knuckle protector gives the maximum comfort and safety. Air ventilation.