100% Cotton. Fabric: Fine Knit Gauge. Design: Plain. Neckline: Crew Neck, Ribbed, Self Fabric. Sleeve-Type: Short-Sleeved. Hem: Twin Needle Stitch. Back Neck Tape, Cut Out Label, Tubular, Twin Needle Neck, Twin Needle Sleeves. Fit: Classic. 145gsm. Sustainability: Amfori, Better Cotton Initiative, BSCI, Fair Labor Association, Oeko-Tex Standard 100 Certified, WRAP Certified. Ref: UTRW9904