All "Smitty" Baseball and Softball Umpire Shirts are Constructed with the following features: •100% "Moisture Management" Performance Mesh Fabric •Matching Rib Knit Collars and Cuffs Trim Combinations •3 Button Edge Stitched Placket •Double Needle Left Chest Pocket and Hems •Extra Tuck-In Length Split Tail Bottom •Sized to Accommodate Chest Protector