4.5 oz./yd², 100% combed cotton, 30 singles; Heather Grey is 90/10 cotton/polyester; 100% cotton thread on color white; Unisex style; Slim fit; Self-fabric trim applied to neckline and armholes; 1” double-needle bottom hem; Side seams; Made in the USA of US and foreign materials; This USA made version is being discontinued. Please shop style 2408W for the non-USA made version going forward.;