CafePress The Fibonacci Code Hoodie (dark) Sweatshirt These quality hooded sweatshirts from Hanes are 90/10 cotton/polyester, and are soft and durable to keep you warm and comfortable. They feature a kangaroo pocket and stretch ribbed cuffs and waist. Fit is unisex standard (size up in doubt). S, M, L, XL, 2XL, 3XL available. Machine wash cold inside out with like colors and tumble dry low for easy and convenient care. IMPORTED. Our graphic designs are professionally printed, so your unique design will look great and make someone smile with the funny, cute, vintage, or expressive artwork. Treat yourself, or make this drawstring hoodie the perfect gift for Father's Day, Mother's Day, Valentine's Day, Christmas, birthdays, anniversaries, retirement, or for no reason at all! We offer 100% money back guarantee, so you can buy with confidence. Your satisfaction is our promise, and returns/exchanges are made easy.