This licensed ThunderCats shirt features the evil Mumm-Ra and says "Mumm-Ra the Ever Living".Adult - Black Sheer T-ShirtThe t-shirt being modeled is an Adult XL. What's a "sheer" t-shirt? Sheer t-shirts are the same high quality you would expect from our products but are made of a softer material and are slimmer fitting than your average t-shirt. Please see our size chart for further sizing information.