yup it's metric, i could never get used to working in feet as well , im cool letting you guys use that but those tee design weren't by me, only the front logo.
if you guys are seriously interested in that, you can PM Issue01 over at www.sgcollect.com for the nod
and yeah, if we were to do that, probably we are gonna have XL, XXL...over to you guys, not to mention shipping costs and all the crap involved, sigh y don't we have a better way of connecting internationally