Find your comfort zone on every hike with Smartwool's Women's Hike Light Cushion Low ankle socks. Formerly known as PhD(R) Outdoor socks, these improved hiking socks are packed with all their tried-and-true sock innovations, like their Indestructawool(TM) technology for enhanced durability, their 4 Degree(TM) Elite Fit System and women's-specific fit, and their Virtually Seamless(TM) toe for even more comfort. They've extended durability zones and updated mesh areas to help maximize breathability without sacrificing the perfect sock fit. And soft responsibly sourced, ZQ-certified Merino wool handles the rest-working hard when you do. With a low ankle height that pairs perfectly with your low-cut hiking shoes, it's easy to stay comfortable on even the longest, most advanced hikes. Fit & Design: Cushioning on the entire bottom of the foot Women's specific fit Virtually Seamless(TM) toe for enhanced comfort Additional body-mapped mesh zones for added breathability Technology: Indestructawool(TM) technology features a patent-pending construction method for exceptional durability and comfort 4 Degree(TM) Elite Fit System for a dialed, performance-oriented fit with flex zone at ankle joint Additional Details: Recommended care: Machine wash warm, inside out and tumble dry low. Do not bleach, iron or dry clean