If you're buying a lighter color, reviewers suggest using a slip underneath because it can be a little sheer.
Promising review: "I purchased three of these dresses on Prime Day as I recently had surgery and need something non-clingy and cool for the summer. The Print one arrived today. I also ordered the Orange and Flowers. The colors are vibrant and true to the picture on my phone. I am 5’5”, 186 lbs., a 41C. The XL fit perfectly. It drapes over the body without clinging to my belly or backside. The hem comes to the top of my knee. I was concerned it would look like a sack on, but it does not at all. The slim, matching tie belt does not look great on me personally, but it is a very cute option. I was also worried about the fabric, but it is not hot at all nor can you see through it. I am so glad I made this purchase and hope the other two dresses are indeed the same brand and fit exactly as this one does." —Friendly Skies
Get it from Amazon for $15.99+ (available in 17 colors and sizes S–XL).