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Teko Merino Extra Heavy Expedition Socks

6 reviews   |   Size Guide
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Teko's Expedition weight socks are made from merino wool on a special knitting machine and designed so we get as much merino wool as possible next to your skin. The insulating properties of merino and in particular this sock are incredible. They are designed for use in extremely cold conditions such as Himalayan and Arctic expeditions. These socks have been to the Arctic, Antarctic, Greenland, Nepal, Himalayas, Pakistan, Mongolia, Siberia, Alaska, the Alps and winter mountaineering in Scotland. They have quite simply been there, done that! Teko's M3RINO.XC chlorine-free wool wicks moisture away from the skin for maximum warmth, comfort and wicking performance in extremely cold conditions. Features include elastane arch support, anti-wrinkle ankle band and anatomical Y-heel. Comfortable double cuff. Heavy cushion in the foot bed. The super soft merino wool is shrink resistant and naturally anti-microbial so ideal for multi-day expeditions.


  • Our heaviest weight merino wool sock for the most extreme conditions
  • Extra-Heavy cushioning all around the foot and the leg
  • Top of the calf in height
  • Anatomical Y-heel
  • Elastic arch support and ankle band for added comfort
  • Extra reinforced toe and heel for durability
  • Bluesign certified merino wool
  • Teko lifetime guarantee against fault of manufacture

76% Merino Wool, 22% Polyamide Nylon, 2% Elastic

Caring for your Teko hiking socks
Machine wash at 30 degrees Celsius, then air or tumble dry


  • Age Group: Adult
  • Fabric: 76% Merino Wool, 22% Polyamide Nylon, 2% Elastic
  • Cushion: Heel & Toe
  • Sock Height: Crew
  • Colour: Grey
  • Gender: Unisex
  • Manufacturer: Teko
Customer Reviews
5 Based on 6 reviews
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Damir W.
United Kingdom United Kingdom
Super soft

Super soft, also look (and feel) very warm but due to the Covid-19 self-isolation hard to properly test right now :-)

United Kingdom United Kingdom
First Class Service and Price

I have purchased Teko socks from this company before and they are excellent to deal with.

United Kingdom
1st class service

I looked online to see where I could obtain these socks. They are of excellent quality. This company met all my expectations and their service was terrific. I would have no hesitation to use them again.

isabelle l.
United Kingdom
Teko Merino Heavy Expedition Socks

FANTASTIC !!! Great product...

steve R.
Just returned from 5 days

Just returned from 5 days on Ben Nevis, no cold feet with these boys