Mountaineer Classic Edition Maximum Cushion Crew Sock

The heavyweight champion for the harshest conditions.

The Mountaineer Classic Edition Maximum Cushion Crew Sock is the definitive choice for when the mercury drops and the mileage is high. As Smartwool's thickest and warmest offering, it is built to fill out the volume of a mountaineering boot and provide a substantial barrier against the cold. Whether you are kicking steps up a frozen couloir or hauling a heavy pack through deep snow, this sock offers maximum impact absorption and insulation, ensuring your feet remain the last thing you worry about on the ascent.