Sloths are the coolest animals around so I'd say there's only one answer here. These 100% cotton short-sleeved tshirts are available in white, pink or blue and can be printed with bronze, gold or silver.
 
Sizes available: 1-2, 2-3, 3-4, 4-5, 5-6 and 7-8.
 
Delicate machine wash.