4.3 oz.(US) 7.2 oz.(CA), 100% preshrunk�combed ringspun cotton, 32 singles,Heather Grey is 90/10 cotton/polyester,Heather Colors are 35/65 cotton/polyester,Semi-fitted,High stitch density for smoother printing surface,Double-needle stitching on bottom hem,Bound self-trim neck and armholes,Oeko-Tex� Standard 100 Certified,TearAway� label