Product Code: B1612134

  • Charcoal Heather


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Product Information

SmartWool's Mountaineering Extra Heavy Socks have extra-heavy full-cushioning that keeps your feet warm and dry when you're mountaineering, ice climbing or multi-day backpacking in cold climates. An arch brace holds the sock in place and adds additional support while the flat-knit toe seam keeps you comfortable.

FREE STANDARD UK DELIVERY on orders over £30

FREE RETURNS to any Cotswold Outdoor store

Product Features

  • Fabric: 83% Merino wool, 16% nylon, 1% elastic
  • Flat-knit side panel
  • Full cushioning
  • Flat-knit toe seam
  • A stretch arch and ankle brace to keep the sock in position


Mens Mountaineering Extra Heavy Sock reviews verified by Reevoo

33 reviews

Reviews from: Sort by:
(9.5 out of 10)
Value for money
Overall rating
Scores 9.5 out of 10 based on 33 reviews
Show more score details
(10 out of 10)


near geneva Lifestyle
I use them in my walking boots.
I climb in them.
I use them in my gardening boots.
I live in the Alps and ski in them all the time for 4 months of the year off and on piste.
I don't sleep in them.
Confirmed purchase: 25 August 2015
Published on: 09 September 2015
(10 out of 10)


Crowborough Lifestyle
My husband says they are most comfortable socks ever
Reviewer left no comment
Confirmed purchase: 04 August 2015
Published on: 22 August 2015
(9 out of 10)


Uralla, NSW, Australia Expert
Very comfortable in boots with out annoying seams
Cost is very high but worth it
Confirmed purchase: 30 July 2015
Published on: 13 August 2015