Hike how you like in our responsibly sourced ZQ-certified Merino wool Hike Light socks. Formerly known as PhDA(R) Outdoor, these hiking socks are packed with all of our tried-and-true sock innovations, like our Indestructawool(TM) technology for enhanced durability, our 4 Degree(TM) Elite Fit System for a dialed-in, performance-oriented fit, and our Virtually Seamless(TM) toe for even more comfort. A women&';s-specific fit and light cushioning along the entire bottom of the foot helps you feel your best on every trail. We&';ve extended durability zones and updates mesh areas to help maximize breathability without sacrificing the perfect sock fit in any hiking shoe or boot. Features Sock Height: Mid 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 5.5" Made in USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane *Specific percentage of recycled nylon will vary as we transition to 100% recycled nylon in future seasons. Style: SW001580 Benefits Smoothed out toe seams for ultimate in-shoe fit and comfort For a dialed, performance-oriented fit with flex zone at ankle joint Indestructawool(TM) technology features a patent-pending construction method for exceptional durability and comfort Mesh ventilation zones provide optimum moisture management and maximum breathability Mesh Venting