The BBB Sports Baseball Softball Pro Sliding Mitt Protection Black One Size is composed of synthetic leather, terry and SBR to protect fingers and hand when sliding on the basepaths as you rack up those stolen bases. Ideal for baseball and softball professional players. With the hardened exterior resting on top and underneath, it will further protect the hand when sliding into a base from the basemans cleat. The sealed enclosed sides are designed to further minimize the thumb from unexpected injury. The design allows for great comfort and fit when wearing and sliding. The Sliding Mitt will fit both the left and right hand to allow the freedom of whichever hand you feel more confidence in sliding. The Sliding Mitt is formed with a soft flex neoprene to allow great comfort when wearing the mitt. High grade elastic is used around the lower part to allow support and designed to be quickly worn and released. 11" long x 5.5" at widest point. Unisex and can be uses in any of hand (left or right).