The Outdoor Merino Heavy Sock by DEVOLD is an extra thick activity sock with a full terry lining.

This makes it a very warm sock that is just right for an expedition or extreme weather conditions. For long hikes, the manufacturer recommends wearing a hiking liner sock underneath, because the Outdoor Merino Heavy Sock by DEVOLD is a thick sock with a lot of material that can cause friction, which increases the risk of blisters. Is has an elasticated shin and instep area to ensure an optimum fit.