I just finished a dogsledding/cross country skiing adventure with Outward Bound... read more

Light weight  All of our liners are extremely thin and add no bulk to the foot, but are made of comfortable, light-weight fibers that wick moisture away from the foot.  This makes for an extremely-comfortable layer directly next to the skin. 

Temperature Control  Control the amount of insulation you need by adding a layer, or staying cool and smooth with just the liner.