Product Code: 3C110212

  • Charcoal Heather


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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 all orders 21st - 25th May 2015

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

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6 Customer reviews for this product

Fantastic socks!
Reviewed By Sian, 21 Sep 2014

These are the best socks I have ever bought! They might seem a bit pricey but they are definitely worth every penny. They not only keep your feet warm and in great condition but they last a long time too.



Perfect sock for winter sport
Reviewed By Matthew, 09 Dec 2013

Having owned many pairs of wool socks and struggled to find one that is truly warm, as well as being comfortable and don't cause your feet to sweat and subsequently rub and blister, these socks are exceptional. They may be designed for Mountaineering, but they are equally well suited to cycling in winter, and I use mine for diving/fishing when in waterproof boots. Toasty warm and don't rub, and they're no thicker so they don't interfere with getting your boots on. You could buy fifty pairs of cheap cotton socks for the price, but they won't give lasting warmth like Merino.



No more cold feet!
Reviewed By Tineke, 11 Nov 2013

These socks will keep your feet warm, for sure!



Excellent thick, warm sock
Reviewed By Alastair, 10 May 2013

My new favourite sock for 2 days a week out on the South Downs. A warm, comfortable and thick sock that is probably the best I've tried for many years. Not cheap, but worth the money.



Thermal socks
Reviewed By , 13 Mar 2013

Good thermal properties for Niece who is sculptor
working with stone @-2C



sOOOO soft and comfortable
Reviewed By , 03 Nov 2012

Great socks, I needed a thick pair but never dreamt they would be this soft.



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