SmartWool Mountaineering Extra Heavy Crew Socks, Grey

Product information

Extra-heavy cushioning in SmartWool's Mountaineering socks will keep your feet warm and comfortable while you're ice climbing, backpacking or mountaineering. They're designed with arch braces to hold the socks in place and a flat-knit toe seam for comfort.

Size guide:

  • M - 5-7.5
  • L - 8-10.5
  • XL - 11-13.5

As well as new socks, why not get some new underwear?

Eligible for International Delivery
83% merino wool, 16% nylon, 1% elastane
Washing Instructions
Machine washable at 30°C



We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.

Q & As


Product code :


4 in stock