Smitty BBS314 Smitty Pro Flex MLB Replica Black Shirt with Grey Side Panel or Powder Blue shirt with Black side panel with Black Side PanelNew Style 2 Styles Black shirt with grey side panel trim or Powder Blue shirt with black trim . Fabric 95 % Polyester 5% Spandex blend engineered for superior stretch durability and moisture management to keep you cool and dry. Construction : Double Needle hems and a 3 button edge stitched placket provide long lasting strength and a professional finish. Fit & Function : Sized to comfortably accommodate a chest protector, with an extra tuck in length