Find your comfort zone on every hike with Smartwool&';s Women&';s Hike Light Cushion Low ankle socks. Formerly known as PhDA(R) Outdoor socks, these improved hiking socks are packed with all Smartwool&';s 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. Features Sock Height: low ankle Indestructawool(TM) technology with extended durability zones Additional body-mapped mesh zones for added breathability 4 Degree(TM) elite fit system for a dialed-in, performance-oriented fit Virtually Seamless(TM) toe for enhanced comfort Women&';s specific fit Made in USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane