Great athletic sleeveless T-Shirt made for activity. 5.6 oz., 100% preshrunk cotton. Absorbs ink well and boasts superior color fastness. Durable 1x1 ribbed crew neck collar, double-needle coverseamed front neck. Taped shoulder-to-shoulder for a clean-finish. Double-needle hemmed armholes and bottom. Seamless body for a wide printing canvas. (Birch is 99/1 cotton/poly; Light Oxford is 90/10 cotton/poly)