Expedition Heavyweight Performance Unisex

The ultimate cold-weather expedition sock, the Bridgedale Expedition Heavyweight Performance Sock is built for serious adventurers tackling long or multi-day high mountain and winter expeditions in the harshest conditions on earth. Merino Performance Fusion Technology delivers resilient padding, balanced insulation, moisture wicking, and outstanding durability across days of continuous wear, while full cushioning throughout provides exceptional warmth, impact resistance, and comfort from the first step to the last. An extended ankle cuff sits at the ideal height for boots, and an insulated flat toe seam prevents cold spots where you need it most. Tested by explorers in the coldest, most extreme environments on the planet.

Expedition Heavyweight Performance Sock Features

• Merino Performance Fusion Technology for resilient padding, balanced insulation, moisture wicking, and all-day durability
  
• Full cushioning throughout for maximum warmth, impact resistance, and comfort in sub-zero conditions
  
• Advanced zonal padding system for targeted support on long and multi-day expeditions
  
• Extended ankle cuff at ideal boot height for winter and mountain use
  
• Insulated flat toe seam prevents cold spots in the toe box
  
• Performance Fit stays close and supportive without slipping or bunching
  
• ShockZones for targeted cushioning in high-impact areas
  
• Y-Heel and Forward Flex for a precise anatomical fit and natural foot movement
  
• Elasticated arch support and 3D-shaped heel cup for a secure, stable feel
  
• ThermoFit process with Lycra® base retains shape and size after every wash
  
• Ideal for alpine mountaineering, winter expeditions, and extreme cold-weather adventures
  

TECH SPECS

• Materials: 28% Merino Wool , 19% New Wool , 34% Nylon / polyamide , 18% Endurofil™/ polypropylene , 1% LYCRA® / elastane
• Cut: Boot length
• Bridgedale warmth rating: 5/5
• Bridgedale cushioning rating: 5/5