The Wigwam Ultimate Liner Pro Crew Socks are Wigwam's most durable, highest-performance liners. Ideal for everything from backpacking and day hikes to hockey games. The Ultimate Liner Pro is part of Wigwam's Pro Series, meaning it's designed from start to finish to keep your feet dry, meaning they stay comfortable and blister-free. Of course, all that is exactly what you need from a liner.
Liners are designed to be worn between your feet and a primary socks, creating a friction-free layer that also speeds moisture movement, thereby eliminating blisters. Liners are great for long backpacking treks when you're not sure what the weather will be like; by applying the tried-and-true concept of layering to your feet, you increase the range of comfortable temperatures.
X2O contains Chitosan, an anti-microbial treatment