100% pre-shrunk ring-spun cotton (except Sport Grey: 90% cotton / 10% polyester). Jersey knit. Shoulder-to-shoulder neck tape. Side seams and slim fit. Double topstitching on the sleeves and bottom of the garment. Certified STANDARD 100 by OEKO-TEX® No. 68255, OeTI. Pre-shrunk cotton: durable wash after wash. Soft touch and comfortable to wear. Detachable label, easy to re-label.