Ribbed tank, slim relaxed fit. Wear it as a base layer. Size up for a baggy fit or size down for a tighter fit. Model is 5'11 and wears a Sz. M. Made in Portugal. It's a T-shirt. Don't blow it. If you're a baller you can dry clean. If you care then wash in cold and hang dry then iron. If Your lazy just wash and dry. Any is acceptable. Its up to you to care for your own shit.
