If you've ever been to Le Mans, you should recognise these signs, if you haven't you'll probably just think 'uh?' They look pretty cool either way, so we slapped them onto a shirt.

Men's sizes, to fit chest size:
S 36" M 38" L 40" XL 42-44" XXL 46"
Girl's sizes:
S 34", M 36"
(Sizes given are for guidance only, you are welcome to exchange your garment should it not fit)