When you are in very cold conditions, a decent base layer is a must, just like the Animal Ladies Mitsy thermal trousers.
The Mitsy Animal women's thermal leggings are made from Dri release micro jersey and featur high wicking qualities to wick sweat away from the skin. The fabric of the snowboarding thermal pants is treated with Fresh guard to prevent odour. These thermal men's longjohns will keep their shape and not shrink and it are also quick dry, allowing you to give them a rinse through at night and be safe in the knowledge that they should easily be dry and ready to wear the next morning.