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. Front pouch pocket, matching drawstring and rib cuffs. Ethically sourced following the World Responsible Apparel Practices Standards. Note: If you like your hoodies baggy go 2 sizes up 2 fly up.