6-ounce, 100% US cotton50/50 cotton/poly (Safety Green, Safety Orange and Safety Pink) 99/1 cotton/poly (Ash) 90/10 cotton/poly (Sport Grey) Prepared for dying (PFD) fabric which means there are no starches, sizing or finishes on the fabricNon-topstitched, classic width, rib collar Taped neck and shouldersClassic fit, seamless bodyRecycled, high-performing black tear-away label