Smartwool Hike Light Cushion Ankle Socks - Women\'s Perfect fit. Powerful durability. That\'s what you get when you put on our Hike Light socks — formerly known as PhD® Outdoor. Featuring our top sock technologies, dialed-in fit systems, updated mesh zones, and extended durability zones, we\'ve upgraded these hiking socks to help you push any summit or enjoy any trail in absolute comfort. Light cushioning on the entire bottom of the foot to bring more comfort to your favorite low-cut hiking shoes. And the addition of recycled nylon makes for a more sustainable sock construction. Go farther in ZQ-certified Merino wool hike socks. Features: Women\'s specific fit - narrower heel and slimmer fit Sock Height: Ankle Indestructawool™ technology with extended durability zones Light Cushion: Cushioning on the entire bottom of the foot. 4 Degree™ elite fit system for a dialed-in, performance-oriented fit Additional body-mapped mesh zones for added breathability Virtually Seamless™ toe for enhanced comfort Comfort welt with \'stay put\' fit Height 3.25\" / 8.25cm Knit in USA of Imported Yarn: 56% Merino Wool 11% Nylon 31% Recycled Nylon 2% Elastane Style: SW001571 Watch this short video to find our more about the Hike Socks: Technical Features: Indestructawool™ Technology​: Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort. 4 Degree™ Elite Fit System: For a dialed, performance-oriented fit with flex zone at ankle join Virtually Seamless™ Toe: Smoothed out toe seams for ultimate in-shoe fit and comfort Mesh Venting: Mesh ventilation zones provide optimum moisture management and maximum breathability Seamless: Seamless construction provides support with stretch for mobility and comfort Light Cushion: Cushioning on the entire bottom of the foot. Product Care: Machine Wash Warm, Inside Out Do Not Bleach Tumble Dry Low Do Not Iron Do Not Dry Clean