The Team 365 Mens Zone Performance Quarter-Zip Team 365 Mens Performance Quarter-Zip is made of 100% polyester. Comfortable pullover light in weight 3.8 oz. Features heat sealed label which provides tag-free comfort and moisture wicking which keeps you dry and cool all day . Fabric: 100% polyester 3.8 oz.; 130 gsm Interlock with moister-wicking and UV protection performance Center front coil zipper with semi-autolock slider and rubber pull Heat-sealed label;