Together with thermal underwear, your midlayer is the most important item that will let you move the entire day while being warm and comfortable. By wearing multiple breathable layers, you prevent the moisture from lingering in your midlayer. As a result, your body will be dry and warm all day long.
Peak Performance, Tenson, Brunotti, Spyder or Odlo, the advantage to all of these brands is that they use materials that are of the highest quality. If you want a midlayer made from merino wool, cotton or fleece, we've got one for every circumstance.