Based on reviews I decided to get a large. ...
348583
Based on reviews I decided to get a large. My waist is 31, I'm a size 10 and hourglass with a little pouch. Anyway, the large was roomy and i had to pull the velcro too taut for it to be effective. I reordered the medium, so we'll see.
413991
I got a large, and its really comfty. Just iron it and you're good to go. Proud to be a blackjack. fighting! <3
1572913
Based on the reviews I decided to buy a Large (I usually wear a Medium) and it fit like a glove!
The dress looks pretty cute, the quality is OK for a $30 dress, I bought it for a single event and I am pretty pleased.
3336992
My husband normally wears xl and I ordered based on reviews and the large was perfect.
77888
I was reading the reviews and they all seemed to say different things. I made sure to measure myself and order according to those measurements. Even with the extra work, it came a bit bigger than I wanted. I could have done better with a medium. But the pattern and the fit (aside from size) are great and as long as I cinch the belt tight enough you can't tell it is too big on me. Overall, I am satisfied with the dress
1055010
I went with large rather than medium but probably would have been happier with extra large.
4810231
I bought a large due to other reviews and glad I did. I normally wear a medium. Also I did not want it to ride up my back during use.

Update: I thought I had a break in the rain and went for a bike ride. I got caught in a shower and the jacket was awesome, not even the water from rear tire got through.
1433706
I am 5'4" and 160lbs. based on reviews, I got a large.  It is too large, and the drop waist is where it is most an issue.  The material is thick and plush.  I should have gotten a medium, but I was hoping it would shrink in the drier (alas it didn't).
2821751
Based on customers reviews, I purchased the usual Large & they are HUGE on me! I am 5'6" 160. I need to exchange for a medium and they'd be baggy for me for a relaxed fit. Very disappointing they're so huge! Large would fit someone 5' 8 - 10", about 180 or 190. Sleeves are real long and the shirt hangs off my shoulders. So difficult to know what item is true to size ordering online.
3766590
Based on reviews and the chart I ordered a size large for my 10 lb Coton de Tulear. Too big! Sizing down for a medium
1293665
I listened to the reviews and they told me it ran to small, so I got a bigger size. It was too big. so stick with your size.
2262447
I went by what the other reviews said and what the measurements says but I should of went smaller I got an xl and should of went with a large
4080997
I wear a large but I got an XL thinking it ran small. It's stretchy so I may have been able to do a medium. It is cute big so I'm having it taken in so it will be gorgeous!!
4374424
I read a lot of reviews saying this had a small fit, almost an "athletic fit". I ordered an XL assuming the shirt would fit like a large. Well it didn't. 5'9", 180, not skinny but not fat. I can tell you this shirt was huge. Pretty much a XXL. The picture shows the shirt being slim through the body but once i put it on there was lots of sleeve room and I had to bunch up, or fold over, the back of the shirt to make it look like the picture. The collar has some smaller, plastic- diamond studs to hold the collar down and the buttons are nice. I like the color of the shirt and the material was somewhat papery but I'm sure with a wash or two it would have been a softer material. I am to sure how the whole process of making and moving these shirts go, but I guarantee that the shirt I wore was not of the "smaller fit" batch some people are getting.
1263611
I read the reviews of how it can fit large, so I ordered a Medium and it fist perfect.
2264983
I read the reviews and purchased a large, it fits perfectly. I just make sure  wash it with cold water so it does not shrink.
4926591
I got a bigger size since ratings said it was too small and it was a good choice to do so