Big Bang Theory Atom Men's Zip Hoodie Soft, Smooth, Cotton/Polyester Blend, 60% Cotton, 40% Polyester Machine Wash Cold, Gentle Cycle, Tumble Dry Low Adult standard US men's sizes, Women and Teens might want to order a size down. Officially Licensed Big Bang Theory Apparel Features the embroidered diagram of an Atom on a fun, athletic style hoodie with rugby stripes Perfect for the science nerd in your life Fun for everyday or a Sheldon Cooper costume You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!