The Seirus Combo Micro Headliner will keep you warm, dry and comfortable for any cold weather activity. It can be used up to 4 ways such as a helmet liner, balaclava, under hats and a neck warmer. The Seirus Headliner is a full coverage hood, face mask and neck warmer all in one. It keeps you extremely warm and feels soft on your skin for all the cold outdoor activities. This ultra-thin balaclava fits easily under a helmet and is easy to pack along as a lightweight insulating layer. 4 Way stretch fleece for a comfortable snug fit, choose to leave only your eyes exposed or wear as a hood and expose your whole face, depending on conditions. Such a lightweight design that stows easily in a pocket.