Seirus Coolmax Micro Dome Stretch Fleece Helmet Liner One-Size Fits Most winterboot Nylon shank for stability and

Nylon shank for stability and durability

they are filled with 650FP duck down

Its insulated construction and pared-back design make it a practical layer for everyday winter wear

The single front lens has an extremely smooth universal beam that minimizes hot spots and eliminates harsh transitions on the trail

Seirus Coolmax Micro Dome Stretch Fleece Helmet Liner One-Size Fits Most winterboot Nylon shank for stability andThe Seirus Innovation Micro Dome liner is made from super soft microfleece jersey with a Coolmax crown that wicks moisture away from your skin. This fitted skull cap features flat seam construction and can be worn alone or under a hat or helmet. The thin, 4 way stretch fabric covers your head and ears, and fits comfortably under a hat or helmet. The Seirus Innovation Micro Dome liner features flat seam construction, making it the perfect liner.