100% Cotton. Design: Plain. Neckline: Crew Neck, Ribbed. Sleeve-Type: Short-Sleeved. Cut Out Label, Taped Neck, Tubular, Twin Needle Stitching. Please Note: Side Seams On Sizes 1-2 & 2-3. 165gsm. Sustainability: Amfori, Better Cotton Initiative, BSCI, Fair Labor Association, Oeko-Tex Standard 100 Certified, WRAP Certified. 12-13 Years: 34 in. 3-4 Years: 24 in. 9-11 Years: 32 in. 7-8 Years: 30 in. 5-6 Years: 28 in. 2-3 Years: 22 in. 1-2 Years: 20 in. Ref: UTPC5961