Fit & Design Set-In Sleeve Construction Light, Soft and Forgiving Fabric Weight: 128 g (4.5 oz) Technology Made with miDori™ bioSoft for added wicking and softness, and HeiQ® Pure odor control to keep things fresh Additional Details Solids: 3.7-oz 100% recycled polyester jersey Heathers and cross-dyes: 3.7-oz 100% polyester (50% recycled) jersey