Hanes ComfortBlend EcoSmart Crew Sweatshirt P160 50% cotton/50% polyester, with up to 5% polyester created from recycled plastic 50% cotton/50% polyester, with up to 5% polyester created from recycled plastic because it is made with up to 5% polyester created from recycled plastic 50% cotton/50% polyester, with up to 5% polyester created from recycled plastic Machine wash it again and again without hesitation because it's pill-resistant Ribbed waistband and cuffs.