I don't usually write reviews unless I'm very impressed with the product ....... I am about 5'5” and weigh 173 lbs. I usually order a large in most cases, so I ordered a large as well. This dress is very flattering! I guess the reason I'm writing this review is because it fits well and isn't too tight, plus the length is perfect! Dresses that are too short are always a pain for me because I don't want to worry about bending over or anything like that ...... The material itself is thin, but it's not sheer or see-through. Honestly, it's a great summer dress.