Relaxed, tailored and ultra-comfortable, you'll love the way you look in this durable, reliable classic. 100% pre-shrunk cotton (heather gray color is 90% cotton/10% polyester, light heather gray is 98% cotton/2% polyester, heather black is 50% cotton/50% polyester) | Fabric Weight: 5.0 oz (mid-weight) Double-stitched seams at shoulder, sleeve, collar and waist Special Note: Mineral Wash colors have a slight yellow tint and not one is the same due to the special dye process