Nice mesh jersey and it's very visible. I ordered this in small but had to exchange it for a medium. I should have heeded the previous reviews. I'm 5'6" 127 lbs and usually wear a size small in the aero cut.
The medium fit perfectly and I wore it on a hot 62 mile ride during the Wilcox Flyer (AZ) race/ride in 85-95oF weather. When ordering size up one size.