One afternoon recently I was riding home and it was around or just above 50 degrees. I used only a long-sleeve jersey and wind shell. After awhile I got much too hot and sweaty, so I stopped and removed the jacket, stuffed it in its own pocket, and stuffed that into my jersey pocket. Rode some more, but after awhile it dropped below 50 with some wind, and I started to get cold again. So I took the jacket back out and put it back on. Above 50 is really too much even for just the jersey and shell jacket.

Main reason I wear the jacket even above 50 is that it's the brightest article I own. I suppose I should get a reflective vest one of these days.