KIP Leather K1 Series by BullhideUSA. 11.75 100% Professional KIP Leather Baseball Glove. Best fit for advanced players who use batting gloves sizes Adult M-L-XL. One of the best feeling gloves in the market with one of the quickest break-in. Leather is "Flash Dyed" for long term color durability. NAPA Leather WeatherPro interior palm.