Here's what other sites are saying:
Made with dual layers of Polartec(R) Power Stretch fabric that sandwich PrimaLoft(R) insulation, these cold-weather socks feature a left and right anatomical shape for long-lasting comfort.
Lorpen designers used a combination of Polartec Powerstretch and Primaloft Yarn insulation to create a shining star among cold weather socks, the Trekking Expedition Polartec Sock. Perfect for big wall climbs in cold weather, wading through freezing streams and rivers chasing your trophy fish, or sitting in a tree stand all day, the Polartec sock also provide heavy padding for your feet on long days.
Where to Buy
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Lorpen PrimaLoft Mid Weight Hiker Crew Sock
Lorpen Merino Light Hiker Crew Sock
$7 - $24
Icebreaker Hike Mid Crew Sock
Darn Tough Mountaineering Over-the-Calf Extra Cushion
Lorpen T3 Light Hiker
Smartwool PhD Outdoor Light Mini Socks
$14 - $18