This is our best seller for a reason. 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