Yep, 60s or below and I'm getting out at least the jacket. I do the same thing - Layers! Tee shirt, then long sleeves, then sweater/light jacket, then heavy jacket. I even have insulated Jean's if need be. I remember one time in Oregon riding the Victory - 80 degrees one 1 side of the mountain and 50 on the other, literally just a couple miles apart.
That being said, this SS has roof, windshield, and rear wind restrictor so I can handle a lot more due to lower wind in the cab.
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