Perform with the power and comfort of ZQ-certified Merino wool in our Hike Light Cushion Crew socks-formerly known as PhDA(R) Outdoor. We&';ve updated our best women&';s hiking socks to include more sustainable materials with the addition of recycled nylon, improved durability and mesh zones, and an even more perfect fit. But, don&';t worry. Our fan-favorite sock technologies aren&';t going anywhere-offering you all-day comfort and natural performance in a women&';s-specific fit. A crew height helps add coverage on the trails and light cushioning along the entire bottom of the foot helps keep you comfortable when the ground isn&';t. Take care of your feet with our best-fitting, best-feeling hiking socks. Height: Crew Indestructawool(TM) technology with extended durability zones 4 Degree(TM) elite fit system for a dialed-in, performance-oriented fit Additional body-mapped mesh zones for added breathability Virtually Seamless(TM) toe for enhanced comfort Comfort welt with &';stay put&'; fit Women&';s specific fit Height 7" Made in USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane