Seirus Heatwave Skull Liner Color:Black powder (other than a big

powder (other than a big dump)

which helps with edge hold and speed

you get stout flex but not over the top stiff

less flexible

even in deep powder

Seirus Heatwave Skull Liner Color:Black powder (other than a bigThe Seirus Heatwave Skull Liner uses Seirus dual stage heating system to maximize the amount of warmth a liner can generate. The reflective poly nylon lining helps you retain up to 20% more body heat while kinetic energy from the wicking process is harnessed to provide an additional 4 5 degree increase in warmth. On those days when other liners arent enough, slip the Seirus Heatwave Skull Liner on under your helmet and ride through the frigid temps in