I have to keep track of temperature and what to wear at different temperatures. The last thing you want to to miss the mark and have to deal with a long run in misery. This morning, 43° 8 mile run, 6-7 am darkness, lets go with cotton socks, tights ,performance tee to wick away the sweat, long sleeve thermal shirt (Costco Heat Guard or something like that) Pearl Izumi light weight cycling jacket, North Face wool hat, cycling gloves with fingers (getting obvious I'm a triathl