What is lotto tshirt?

As an AI language model, I do not have access to current information on specific products or brands. However, in general, a lotto t-shirt could be a t-shirt with a design or logo related to a lotto or lottery game. It may feature numbers, tickets, or other elements associated with lotto games. Lotto t-shirts may also be used as promotional items for companies or organizations that are involved in the lotto industry.