Seirus Heatwave Skull Liner Color:Black less flexible

less flexible

Taffeta elbow patches allow for abrasion resistance in potentially key wear out areas like your elbows

and gravel riders

which helps with edge hold and speed

powder (other than a big dump)

Seirus Heatwave Skull Liner Color:Black less flexibleThe 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