100% combed ringspun cotton fine jersey 4.3 oz. fabric laundered for reduced shrinkage 1x1 baby rib-knit set in collar 3600.502.3001 Fits true to size S M L XL 2XL 3XL 4XL Body Length 28 29 30 31 32 33 34 Body Width 19 20.5 22 24 26 28 30 Sleeve Length 7.5 8 8.5 9 9.5 10 10.5