"Cover up those cheeks and noses on cold days with neck gaiters or balaclavas. Look for hats and balaclavas that are thin enough to fit easily underneath a helmet. The best are thin on top and fleecy around the face.
It is possible to pull the balaclava up onto the nose and around the eyes, then put the goggles on in a way that leaves no skin exposed. This is a good idea on the coldest days when any exposed skin can get numb and nipped by frost quickly. Make sure to check children's faces when it's cold and windy."