Same structure in the foot as the TEP, but in a knee-length sock. Ideal for winter expeditions
Sock Height 
Over Calf
 
Sock Content 
86% Polartec, PowerStretch®, 6% Polartec PowerDry®, 4%Thermolite®, 3% Nylon, 1% Stretch Nylon with Lycra®
 
Cushion 
Sole & Shin Heavy