For ultimate comfort, blister prevention, highest slope performance increase and thermoregulation.

Using unique BearZones & BearTubes, as well as some very clever nanotechnology, these BRBL® socks provide moisture management, better oxygenation, antimicrobial technology and reinforced areas all to help improve endurance and control. ThermoCool technology helps keep your feet warm when it's cold and cool when you're hot.

Perfect for advanced trekking and treks in environments that are unpredictable or have changing climates.

BearZones & BearTubes
NanoGlide
ThermoCool
BacterShield
70% Merino Wool & 30% Silk