4.2 oz. 100% combed ringspun cotton 30 singles Ash is 99/1 Athletic Heather 90/10 all other Heathers 52% combed ringspun cotton 48% poly Marble colors are 91% polyester 9% combed ringspun cotton 30 singles 4 oz. Neon colors are 52% combed ringspun cotton 48% polyester 40 singles 3.6 oz. Slub 50% poly 37.5% combed ringspun cotton 12.5% rayon 30 singles 3.8 oz. Black Mineral Wash is 52% combed ringspun cotton 48% poly 30 singles 4.2 oz. sideseamed shoulder taping unisex sizing retail fit