Louisville Slugger Bionic Batting Glove Pair Multi-patented and orthopedically designed to improve fit, comfort and performance. Premium grade Cabretta leather provides soft feel. Neoprene wrist cuff creates a tighter fit with more comfort. Bionic Features: Patented SRG padding system reduces vibration and allows for a lighter grip, lighter grip=greater swing speed, pre-rotated finger design follows natural hand movements, lycra motion zones improve flexibility and reduce bunching.