Muskego Pitstop Slim Fit Custom PoloSee the size chart. This polo runs small, if you're on the fence, size up. CUSTOMIZABLE: Add Name and Number Sizing Tip: Lay a top that fits you well flat. Measure across the chest, 1" below the armpits and from the top shoulder to the bottom hem. Choose your size based on the measurements on the sizing chart. 95% polyester, 5% spandex Fabric weight: 5. 60 oz. yd. (190 g m) Stretchy jersey material Slim fit White button placket Size Label A B XS 27 19