The Smartwool Women's PhD Outdoor Light Crew Socks are highly rated trekking socks designed for women. These socks are made from a blend of merino wool, nylon, and elastane, providing a comfortable and snug fit. The PhD technology offers targeted cushioning and support in high-impact areas, reducing fatigue and enhancing performance. These socks also feature a mesh ventilation zone for improved breathability and moisture management. Whether you're hiking, backpacking, or trekking, these socks will keep your feet dry, comfortable, and blister-free.