100% Cotton. Fabric: Fine Knit Gauge. Design: Plain. Neckline: Crew Neck, Lycra Ribbed. Sleeve-Type: Long-Sleeved. Back Neck Tape, Cut Out Label, Self Fabric, Shape Retention, Tubular, Twin Needle Stitching. 165gsm. Sustainability: Amfori, Better Cotton Initiative, BSCI, Fair Labor Association, Oeko-Tex Standard 100 Certified, WRAP Certified. S: 37 in. M: 40 in. L: 43 in. XL: 46 in. XXL: 49 in. 3XL: 52 in. 4XL: 55 in. 5XL: 58 in. Ref: UTRW9748