The Smartwool Women's PhD® Ski Light Snow Socks are specifically designed around a woman's foot with a light cushion around the shin and foot. Narrower profile and a slimmer heel pocket with gender-specific mesh zones. They've included the 4 Degree™ elite fit system for a dialed fit and Indestructawool™ technology that features a wool-based, patent-pending yarn and construction method for exceptional durability and comfort.