Find your comfort zone on every hike with the Hike Light Cushion Low ankle socks by SMARTWOOL. Formerly known as PhD® Outdoor socks, these improved hiking socks are packed with all of Smartwool's tried-and-true sock innovations, like their Indestructawool™ technology for enhanced durability, their 4 Degree™ Elite Fit System and women's-specific fit, and their Virtually Seamless™ toe for even more comfort. With Smartwool's 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.