Originally Posted by HerrKaLeun

this may be unconventional and not 100% as aerodynamic: I use this Construction site high-vis shirt and cost about $30. I use a smaller size for it being more aerodynamic (I have an M and usually have XL). your local Farm&Fleet, or other hardware or safety clothes store has them.
Main reason is it is inexpensive and has OSHA rated reflection and also the airy wicking material. (I'm the guy that also uses daylight running lights). You can get them without he M3 stripes for $23 (just yellow then).
bonus it does not have weird advertisement on it (don't like to look like I'm at the tour de France unless i get paid to wear some company's name)