97% Cotton, 3% Polyester. Fabric: Fine Knit Gauge, Heather. Design: Plain. Neckline: Crew Neck, Lycra Ribbed. Sleeve-Type: Long-Sleeved. Back Neck Tape, Cut Out Label, Taped Neck, Tubular, Twin Needle Stitching. Fit: Classic. 165gsm. Sustainability: Amfori, Better Cotton Initiative, BSCI, Fair Labor Association, No Child Or Forced Labour Used, Oeko-Tex Standard 100 Certified, WRAP Certified.