The first layer you will need to wear is your long underwear (a shirt and pants). Old "long-johns" made out of cotton, wool, or flannel will not keep you comfortable on the slopes. Instead, breathable under-layers that wick perspiration away from your body and eliminate that cold, clammy feeling are excellent. Attire is available in men's and women's styles:
While there are a variety of companies that make base layers formulated specifically for skiing, certain brands such as Columbia ($), Hot Chillys ($$) , Smartwool ($$), Underarmour ($$$) and CWX ($$$$) have stood out from the rest:
