100% Cotton. Fabric: Jersey Knit, Pre-Shrunk. Design: Plain. Neckline: Crew Neck, Ribbed. Sleeve-Type: Short-Sleeved. Seamless, Taped Neck, Taped Shoulders, Tearaway Label, Tubular, Twin Needle Hem, Twin Needle Neck, Twin Needle Sleeves. Fit: Classic. 170gsm. Sustainability: Better Cotton Initiative, Fair Labor Association, Oeko-Tex Standard 100 Certified, REACH, Sedex, Sustainable Materials, US Cotton Trust Protocol, WRAP Certified. 12-13 Years, 7 Years: 34 in. 3-4 Years: 26 in. 7-8 Years, 3 Years: 30 in. 9-11 Years, 5 Years: 32 in. 5-6 Years: 28 in. 9 Years: 36 in. Ref: UTPC5980