Add these Unisex Pinnacle Merino Wool EXPEDITION Suit Socks to your base layer basics. Made of 95% merino wool and 5% elastic, the Unisex Pinnacle Merino Wool EXPEDITION Suit Socks feature an elasticated instep, ankle, and top to ensure that the sock stays in place. With the exceptional warmth of Merino wool and four-way stretch for unrestriced movement and comfort, these socks are also naturally breathable, odor-resistant, ultra fast-drying, non-itchy, and easy to care for. Perfect for layering underneath your wetsuit and boots for extra warmth and easier donning, these socks are a must have for the colder seasons!