Preshrunk cotton: resistant wash after wash.Soft touch and pleasant to wear.Detachable label, easy to re-label.100% preshrunk ring spun cotton (RS Sport Grey and Antique: 90% cotton / 10% polyester and Heather: 35% cotton / 65% polyester). Jersey knit. Shoulder to shoulder tape. Side seams and slim fit. Double stitching on sleeves and bottom of the garment. Certified STANDARD 100 by OEKO-TEX® No. 68255, OeTI.