Smartwool Women's PhD Outdoor Light Crew Socks are designed for high-performance outdoor activities. These socks are made with a blend of merino wool, nylon, and elastane, providing excellent moisture-wicking, temperature regulation, and stretch. The light cushioning and targeted ventilation offer optimal comfort and breathability, while the reinforced construction enhances durability. Whether you're hiking, trail running, or engaging in other intense outdoor activities, these socks will keep your feet dry, comfortable, and blister-free.