We've put all of our smarts into these new and improved Women's PhD??Run Ultra Light Hex Print Micro socks. You won't break your stride, thanks to our Indestructawool??technology designed for added durability and an Achilles tab designed to help prevent sock slippage. And by adding our brand-new Shred Shield??technology to some of our best running socks, the wear and tear from toes is reduced, helping you push toward your finish line and achieve higher mileage.. . ??. . . PhD: Built for Performance in the Highest Degree. Women's specific fit; narrower heel and slimmer fit. 4 Degree??Elite Fit System for a dialed, performance-oriented fit with flex zone at ankle joint. Indestructawool??technology features a patent-pending construction method for exceptional durability and comfort. Mesh ventilation zones provide optimum moisture management and maximum breathability. Non-cushioned for maximum performance in close-fitting shoes. Shred Shield helps reduce wear from toes. Sock Height: Micro. Virtually Seamless??toe for enhanced comfort. Achilles tab designed to prevent sock from slipping down into footwear. 49% Merino Wool, 47% Nylon, 4% Elastane. Machine wash. Made in the USA??. 194112232265 34474800068 SW001232