100% Cotton. Fabric: Belcoro Yarn, Fine Knit Gauge. Design: Plain. Neckline: Crew Neck, Ribbed. Sleeve-Type: Short-Sleeved. Back Neck Tape, Cut Out Label, Self Fabric, Tubular, Twin Needle Stitching. 145gsm. Sustainability: Amfori, Better Cotton Initiative, BSCI, Fair Labor Association, No Child Or Forced Labour Used, Oeko-Tex Standard 100 Certified, WRAP Certified. Suitable for: Printing. 3-4 Years: 24 in. 12-13 Years: 34 in. 9-11 Years: 32 in. 7-8 Years: 30 in. 5-6 Years: 28 in. 14-15 Years: 36 in. Ref: UTBC5666