Hobo Ninja offers this "Sloth Running Team" T-Shirt for $9.99 with free shipping. That's the lowest total price we could find for a similar t-shirt elsewhere by $11. It's available in sizes S to XL. (Sizes XXL and 3XL are available for $11.88 and $12.48 respectively.) Deal ends January 27.
Of note, a matching Vinyl Decal is available for $3.99 with free shipping.