6-ounce 100% US cotton50/50 cotton/polyester (Dark heather Safety Green Safety Orange)99/1 cotton/polyester (Ash)90/10 cotton/polyester (Sport Grey)Non-dyed fabric with visible specks of fibers and cotton seeds (Natural)Rib knit collarRib knit cuffsTaped neck and shouldersClassic fit seamless bodyRecycled high-performing black tear-away labelPlease note: This product is transitioning from tear-away labels to recycled high-performing black tear-away labels. Your order may contain a combination of both labels.