100% pre-shrunk ring-spun cotton (except Sport Grey: 90% cotton / 10% polyester). Ribbed collar and cuffs. Reinforced 3-button placket. Tone-on-tone buttons. Side seams and side slits. Double topstitching at the bottom of the garment. Detachable label. Certified STANDARD 100 by OEKO-TEX® No. 68255, OeTI. Pre-shrunk cotton: durable wash after wash. Side slits for better mobility. Detachable label, easy to re-label.