Soft and comfortable, durable and thick, this is a definite must-own and a recommended product. 100% cotton (heather gray is 95% cotton/5% viscose. heather blue & charcoal gray are 80% cotton/20% polyester. heather burgundy is 60% cotton/40% polyester). | Fabric Weight: 4.42 oz Fairly produced, certified and triple audited. Double stitched, reinforced seams at shoulder, sleeve, collar and waist Product may run small, please check size charts