100% Polyester. Fabric: Textured. Design: Plain. Neckline: Bound, Round Neck, Self Fabric. Sleeve-Type: Double Top Stitched, Raglan, Short-Sleeved. Fabric Technology: Breathable. Side Seams. Sustainability: ACCORD, Amfori, BSCI, Fairwear Foundation Certified, Oeko-Tex Standard 100 Certified, PETA-Approved Vegan, REACH, Sustainable Apparel Coalition. Suitable for: Printing, Sublimation. 6 Years: 27.5 in. 8 Years: 29 in. 10 Years: 31.5 in. 12 Years: 34 in. Ref: UTLT2036