I'm 5'6", 32-29-39 and ordered the black 6-pack in size Small. I suggest ordering your usual size since every body is different. I've been looking for decent, everyday cotton thongs for a while, and these fit the bill perfectly in every way! The last time I bought cotton thongs was about 10 years ago at Frederick's, and I just put them out of commission after trying these out for a few days. I chose these because I'm not a fan of synthetic material hanging around my nether-regions for health purSee full review