100% Cotton. Design: Plain. Neckline: Crew Neck, Narrow Collar, Ribbed, Taped. Sleeve-Type: Short-Sleeved. High Stitch Density, Seamless, Taped Shoulders, Tearaway Label. 145gsm. Sustainability: Better Cotton Initiative, Fair Labor Association, Oeko-Tex Standard 100 Certified, REACH, Sedex, WRAP Certified. 12-14 Years: 32 in. 2-4 Years: 24 in. 7-8 Years: 28 in. 9-11 Years: 30 in. 5-6 Years: 26 in. Ref: UTRW10336