The Smartwool Women's PhD Ski Medium Socks are a versatile option for women who enjoy skiing in various conditions. These socks are made with a blend of merino wool, nylon, and elastane, which provides excellent warmth, moisture-wicking properties, and stretch. The PhD Ski Medium Socks feature a 4 Degree Elite Fit System, which ensures a snug and comfortable fit. They also have targeted cushioning in the shin and foot areas for added comfort and impact protection. With their reliable performance and durability, these socks are a popular choice among female skiers.