Size: I am a puny XS. I ordered "small" based on customer reviews and the size chart presented in the seller's description- and its a perfect fit. In fact, the measurements they have mentioned are absolutely accurate and I would use them as a reference instead of going for the general size description (small, medium etc.)Sleeves are slightly long, but I could fold them inwards and they stayed that way, without looking shabby at all. I was able to button it up comfortably, but I suspect iSee full review