Now that part is easy to answer: You dress thin for high intensity activity - like running. The outfit works like a charm for what it is designed to do: Venting away excess moisture and providing adequate wind block and insulation for a body working at high intensity in cold air. [/quote]
OK, I see your point. To me though, "track suit" is one of those ditzy Reebok or Adidas lounge suits you see folks wearing that can't figure how to coordinate their wardrobe. I can see maybe interpreting that as "athletic wear" which would make a bit more sense.
I did XC ski a few years ago on a 2-mile trail, wearing what I thought was reasonable: sweats with a gore-tex layer, Underarmor T-shirt under a wool sweater.
After my 2nd lap, I
wrung out my sweater and called it a day. Realized real quick that some activities get the sweat pouring out. Perhaps this was their "ah ha!" moment. Still...