Seirus Heatwave Sock Liner POS-20-OFF while adjustable leg gaiters accommodate

while adjustable leg gaiters accommodate different boot sizes

For backcountry skiing and booters built in the middle of nowhere

for hours at a time as they spin their way cross country

For low-impact exercise

helmet and extra what you need to pack so you can be you best prepared for your trip

Seirus Heatwave Sock Liner POS-20-OFF while adjustable leg gaiters accommodateThe 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.