100% Cotton. Design: Plain. Neckline: Crew Neck, Narrow, Ribbed Collar. Sleeve-Type: Short-Sleeved. Fabric Technology: Lightweight. High Stitch Density, Seamless, Taped Neck, Taped Shoulders, Tearaway Label, Tubular, Twin Needle Stitching. Fit: Classic. 150gsm. Sustainability: Better Cotton Initiative, Fair Labor Association, Oeko-Tex Standard 100 Certified, REACH, Sedex, Sustainable Apparel Coalition, WRAP Certified. 3-4 Years: 26 in. 5-6 Years: 30 in. 7-8 Years: 32 in. 9-11 Years: 34 in. 12-13 Years: 36 in. Ref: UTPC7486