100% Polyester. Fabric: Single Jersey. Design: Contrast Panel. Neckline: Crew Neck, Self Fabric, Two Piece Collar. Sleeve-Type: Raglan, Short-Sleeved. Cuff: Twin Needle Stitch. Hem: Twin Needle Stitch. Fabric Technology: Breathable, Moisture Wicking, Quick Dry. Tearaway Label. Fit: Sporty. 160gsm. Sustainability: Amfori, BSCI, Oeko-Tex Standard 100 Certified, Sedex, WRAP Certified. 11-12 Years: 32 in. 5-6 Years: 26 in. 7-8 Years: 28 in. 13 Years: 34 in. 3-4 Years: 24 in. Ref: UTRW10529