Seirus Heatwave Sock Liner Size:M and an inner hinged construction

and an inner hinged construction that articulates and is breathable

Comfortable with a generous spandex content for plenty of stretch

from its 155 g/m2 hydrophilic membrane to its thumbhole cuffs

change of clothes for the drive back

Seirus Heatwave Sock Liner Size:M and an inner hinged constructionThe 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.