Marucci Capitol Series 39S1 13" First Base MittMarucci Capitol Series 39S1 13" First Base Mitt M Type fit system provides integrated thumb and pinky sleeves with enhanced thumb stall cushioning to maximize comfort and feel. Fit: Pro Shape: Standard Depth: Deep Premium Japanese tanned USA Kip leather combines ideal structure and lightweight feel Kip leather lining provides increased structure Moisture wicking mesh wrist lining with dual density memory foam padding Professional grade rawhide laces