Pure Compression Moisture Wicking Outdoor Hiking Socks Targeted Comfort Zones: The Outdoor Socks feature strategically placed comfort zones to ensure the ultimate comfort. The Moisture Wicking: Made of moisture wicking material, the socks help to prevent the build up of perspiration to keep the socks dry and light. Hike in comfort with the most comfortable outdoor socks. Ultra-Soft: The outdoor socks are made of ultra-soft material that offers superior comfort and helps to prevent blisters. Warm + Breathable: Strategic areas on the socks help to provide ventilation to feet, helping to keep at the perfect temperature. 100% Satisfaction Guarantee: These are the best outdoor hiking socks you will ever wear. If not fully satisfied, simply return the socks back to Amazon within 30 days for a full refund. Made of 82% Polypropylene / 12% Nylon / 6% Spandex