65% Polyester, 35% Cotton. Fabric: Heather. Design: Plain. Neckline: Crew Neck, Narrow, Ribbed, Seamless, Taped. Sleeve-Type: Short-Sleeved. Cuff: Twin Needle Stitch. Hem: Twin Needle Stitch. Fabric Technology: Pre-Shrunk. High Stitch Density, Side Seams, Taped Shoulders, Tearaway Label, Twin Needle Collar. Fit: Fitted. 153gsm. Sustainability: Better Cotton Initiative, Fair Labor Association, Oeko-Tex Standard 100 Certified, REACH, Sedex, Sustainable Materials, US Cotton Trust Protocol, WRAP Certified. Ref: UTPC5881