mik3816455 wrote an answer about Pearl Izumi P.R.O. Softshell 3x1 Jacket on January 20, 2011
I apprehensively took my new 3x1 jacket out on a foggy 28 degree Olympia, Wash. ride.
Don't know how a jacket this light can be warm but it is. Maybe too warm as the day heats up but the liner is removeable. I think it would be great in colder temps depending on
what base layers you wore.