Haha, it is not a t-shirt, its a polo, and it was just a lesson .. I wish we were allowed to wear t-shirts, but in my pony club you need to wear a polo so that you appear workmanlike =]
Thanks for all the responses! He is a very good boy and has saved my butt on more than one occasion when I mess up in a course.
~He knows when you're happy
He knows when you're comfortable
He knows when you're confident
And he always knows when you have carrots.