New Size s/m Retail price $40 During long sits and brutal cold, the last thing you want to worry about is your feet. The Zero Crew Cold Weather Sock provides a high-lofted merino knit sock for maximum warmth and protection from the elements. We’ve designed reinforcements in the toe and heel for durability, and compression through the ankle and arch to lock in fit to create a sock that can stand up to the harshest of late-season conditions.