50% Cotton, 50% Polyester. Fabric: Heather. Design: Plain. Neckline: Crew Neck, Ribbed. Sleeve-Type: Short-Sleeved. Non-Topstitched, Quarter Turned, Seamless, Taped Seams, Taped Shoulders, Tearaway Label, Tubular, Twin Needle Hem, Twin Needle Sleeves. Fit: Classic. 203gsm. Suitable for: 0.5in Hose. Sustainability: Better Cotton Initiative, Fair Labor Association, Oeko-Tex Standard 100 Certified, REACH, Sedex, Sustainable Materials, US Cotton Trust Protocol, WRAP Certified. Ref: UTRW10084