SmartWool Mountaineering Extra Heavy Crew

Where to Buy

Manufacturer's Description

Visit SmartWool's Mountaineering Extra Heavy Crew page.

Retailers' Descriptions

Here's what other sites are saying:

Made just for high-altitude, low-temperature excursions, the Mountaineering Extra Heavy Crew sock by Smartwool is the top choice for mountaineering, ice climbing, or peak bagging in the snow. PRODUCT FEATURES: Extra heavy, full cushioning all around your foot Superior moisture control and ventilation regulates your foot temperature to keep you comfortable in the harshest conditions Reinforced arch provides support and keeps the sock in place all day Materials: 83% Merino Wool, 16% Nylon, 1% Elastic

- Appalachian Outdoors

Material: Knit in USA of 83% Merino Wool, 16% Nylon, 1% Elastane WOW Technology in reinforced sole for maximum comfort and durability2 x 1 rib knit cuffSizing clearly indicated on the sockFlat knit toe seamSmartWool Fit System with arch and ankle support Product Care: Machine Wash Warm Gentle CycleTumble Dry LowDo Not BleachDo Not IronDo Not Dry Clean

- River Sports Outfitters

The Smartwool Mountaineering Extra Heavy Crew is great for outdoor adventures, the extra heavy sock will keep your feet toasty & warm.


Keep your feet warm and dry as you're ice climbing, mountaineering, or on a multi-day backpacking trip. Extra-heavy cushioning provides crucial support and warmth, while arch brace holds the sock in place beneath boots. SmartWool construction features 83% merino wool, 16% nylon, and 1% elastane.

- The North Face