4.5 oz., 100% preshrunk combed ringspun cotton, 30 singles,Heather Graphite is 50/50 cotton/polyester,Fitted silhouette,Shoulder-to-shoulder tape and 1/2" seamed collar,Raglan long sleeves,Double-needle sleeves and bottom hem,Side seam construction with vents and 2" drop tail,Oeko-Tex� Standard 100 Certified,TearAway� label�