Marucci Krewe Series 12.50" Baseball First Base Mitt: MFG3KR37S1-BK/NG Throwing Hand:Left-Handed Throw Small: 10" and Under -

Small: 10" and Under - Large: 10" and Over

Secure mounting back-plate straps

Ergonomic handle taper custom-fit for each weight drop for more bat control and better overall feel

Gel-to-Shell® Technology Air activated material that transforms the guard from a malleable gel into a customized

Franklin added "Pin Prick" breathability

Marucci Krewe Series 12.50" Baseball First Base Mitt: MFG3KR37S1-BK/NG Throwing Hand:Left-Handed Throw Small: 10" and Under -Fit: Tapered Shape: Standard Depth: Deep Smooth cowhide leather shell Supple leather palm lining with added cushioning Narrow tapered hand stall sizing for ideal fit Smooth microfiber wrist lining and finger lining Available in right hand throw or left hand throw Recommended for first base