Yes, you can wear your tights to work without looking like you're 'going to work in your activewear'. The Flow Tights three ways.
My race day warm up needs to be layered. I like layers that are easy to peel off as I warm up in preparation for the race.That way I can start toasty warm and then shed as my body temperature rises. Easy on and easy off layers are a must in case I decide to throw something back on.