Seirus Heatwave Sock Liner SB Budget with a 5 finger fixed

with a 5 finger fixed Bemberg lining for wicking comfort

insulation

whether they’re wearing their ski boots

if you want the more casual flexibility

With these technological advances

Seirus Heatwave Sock Liner SB Budget with a 5 finger fixedThe Seirus Heatwave Sock 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. Youll relish your Seirus Heatwave Sock Liners almost as much as you relish kicking back in front of your wood stove.