Had a veeeery busy week and totally forgot about this
Anyways:
This is the Lielvārdes Belt, which is the Latvian equivalent of a Celtic knot.
inb4 "that no cute puppy", i said i have a SIMILAR t-shirt.
Anyways, from the same source you can also get t-shirts like this:
http://www.niceplace.lv/lv/prod/show/807/ - which would get the exact same reaction from people here (except for the compliments, because it isn't as good looking), because we Latvians are proud of our traditional culture and cherish it