The soft, cotton-blend fleece perfectly balances warmth and durability, without the extra weight. Midweight 9 oz. fleece with a brushed interior for warmth without the extra bulk or weight. Fabric: Body: 50% Cotton/50% polyester; rib: 49% cotton/49% polyester/2% spandex; half moon: solid: 100% cotton; granite: 50% cotton/50% polyester; oxford: 90% cotton/10% black polyester.