I am normally a 6.5 but ordered a 6 in these running the risk that they may be too small (especially considering I'll be wearing thicker socks, etc) only bc that was all amazon had in stock at the time. I was surprised that they were actually a little large..they slip off my heel when I walk but would ordering a size down help? I don't really think so. The boot itself is a little wide and roomy which I think is the reason they feel a tad loose. I'm still keeping and hoping a thicker sock and skinny jeans tucked in will help! Really cute just odd fit.