Louisville Slugger TPS Catalyst First Base Mitt, 13- Inch Top grade, oil-treated steerhide leather for soft feel and long lasting shape. Pioneer of exclusive female fit- narrower fingerstalls and smaller wrist opening for a snug fit and better control. Cool Max finger linings wick away perspiration from player's hand. Velcro thumb and pinkie lock for secure fit. Bruise-gard padding offers added protection.