Smartwool Women's PhD Outdoor Light Crew Socks are designed for active women who love outdoor adventures. These socks are made from a blend of merino wool, nylon, and elastane, providing excellent warmth, breathability, and stretch. The merino wool material is soft, moisture-wicking, and odor-resistant, keeping your feet dry, fresh, and comfortable. These socks have a light cushioning and a flat-knit toe seam, reducing bulk and preventing blisters. They also have a 4 Degree Elite Fit System, which provides a secure and comfortable fit. Whether you're hiking, running, or cycling, these top-rated wool socks will keep your feet comfortable and protected.