Norsewear - Hi-Trek Thermal socks

Composition: 40% Merino, 25% Nylon, 25% Acrylic, 10% Polyester Height: Micro Crew Weight: Midweight Cushion: Targeted cushion Originally developed for use at Scott Base in Antarctica, these high-performance work boot socks are built for extreme conditions. Big on comfort and rugged durability the yarn blend and sock construction certainly deliver. If you want exceptional insulation and cushioned foot protection in the back country, up a mountain or in a cool store, these socks are ideal.