Heavyweight 8.25 oz. (~280 gsm) cotton-rich fleece. Solid colors are 80% cotton, 20% polyester. Heather Grey is 70% cotton, 30% polyester. Charcoal Heather is 60% cotton, 40% polyester. Crew neck sweatshirt with ribbed cuffs, neckband and hem. Note: If you like your sweatshirts baggy and oversized go 2 sizes up. Washing instructions: Hand or machine wash cold. Do not dry clean, bleach, tumble dry or iron on the print. The third party printer of this product is evaluated according to International Labor Organization standards. The printer of this product sources blanks from manufacturers committed to improving cotton farming practices with the Better Cotton Initiative. Since every item is made just for you by your local third-party fulfiller, there may be slight variances in the product received