100% preshrunk ringspun cotton (Sport Grey: 85% ringspun preshrunk cotton/15% viscose). Tubular cut. 2-ply V-neck. 1x1 ribbed collar with elastane. Taped neck and shoulders. Twin needle stitching at the sleeves and hem. Certified STANDARD 100 by OEKO-TEX®N° 1501003X, Centexbel.