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Smartwool Mountaineering Extra Heavy Crew


RRP £23.99, Save 10%

Smartwool Mountaineering Extra Heavy Crew

Smartwool Mountaineering Extra Heavy Crew

The Smartwool Mountaineering Extra Heavy Crew is designed with the most dedicated user in mind. It features a heavily padded sole ensuring your feet remain comfortable even in the stiffest boots. The calf and shin also benefit from a padded construction and neat fit to eliminate rubbing and keep your legs warm and comfortable. These are the perfect socks for four season walking, mountaineering and climbing with enough warmth and protection to keep your feet comfortable in all conditions.

Merino Smartwool Blend

The Smartwool Mountaineering Extra Heavy Crew is constructed of 83% merino wool which gives it the comfort and breathability of pure merino wool with extra durability from synthetic fibres. Please click here for more details on Merino Wool.

Size UK shoe size EU shoe size
Medium 5 - 7.5 38 - 41
Large 8 - 10.5 42 - 45
74% Merino, 25% Nylon, 1% Elastane
Charcoal / Heather

Customer Reviews of Smartwool Mountaineering Extra Heavy Crew

5 out of 55 out of 55 out of 55 out of 55 out of 5 from 5 Reviews

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3 out of 53 out of 53 out of 53 out of 53 out of 5

Reviewer: Csaba, Cluj-Napoca  

I'm around 42.5 EU size and went for size large, which was a mistake, the socks are way too big for me, so I ended up wearing them only around the house in the winter. I'd recommend you size down, as I did with the Trekking Heavy Crew and Hike Medium Crew and got a much better fit. The material is very soft and comfortable, it's a shame it doesn't really stay up the calf. Could be because of the size issue, but I'm 183cm with quite muscular calves, and the socks don't come all the way up to below my knees, which makes it easier for them to slip down. Also, I'm concerned about the durability, because after a few washes there are several bristles on the fabric.

5 out of 55 out of 55 out of 55 out of 55 out of 5

Reviewer: Antoine , 95 Burtons Rd  

I'm yet to find a sock that's more padded, comfortable and durable at the same time.

Wore it on a Lapland ski trip for the colder days, they were great, staying dry and warm, and didn't get sore feet despite the rental cross-country ski boots.

I usually wear a thin woolen sock inside to prevent blisters, but I think I could do without, for this one. Owned a pair for a year now, they're very durable.

Have been wearing it each time I need comfort or warmth, or even to "break in" some new, stiff hiking boots.

5 out of 55 out of 55 out of 55 out of 55 out of 5

Reviewer: Simon , Leeds  

Great pair of socks. Nicely padded and suitably warm, and fit well on me (size 9) without rucking. Nice secure cuff means they don't fall down once on.

5 out of 55 out of 55 out of 55 out of 55 out of 5

Reviewer: Georgios , Petroupoli, Athens  

Really thick sock (will likely need you to size your footware a size up), gives you very cushioned steps and is amazingly warm. Up to now it has not loosened up and stays up mid calf as it should.Very comfortable sock for very cold weather.

5 out of 55 out of 55 out of 55 out of 55 out of 5

Reviewer: Geoff , Peterborough  

Over the years, I've bought and worn numerous types of walking, hiking, climbing socks - but these are now without doubt my socks of choice. They are incredibly warm and comfortable and the reinforced sole improves their hard-wearing nature and comfort when wearing them for a long time or over rough terrain.

I now keep a pair or two for wearing around the house in winter too - no slippers for me!

So, I was even happier when the Advent Day offer gave me a free pair of Smartwool socks when buying two!

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