Quote: Originally Posted by PDXlove Yari-- define 'they run small'.... I would usually get a size small but should I get a medium? Ladies, did you go one size up of what you would normally get? I'm 5'8" and weigh 120-ish. I got your message....i would order a Medium. I ordered a size small of the tank and it is snug. I wish I would have ordered a M instead. It's a nice longer length though, very cute on. I'm about 5'3 and 110, so if I were you I would order one size up. Good luck