FeaturesSock Height: Crew4 Degree elite fit system for a dialed-in, performance-oriented fitAdditional body-mapped mesh zones for added breathabilityVirtually Seamless toe for enhanced comfortIndestructawool technology with extended durability zonesComfort welt with ‘stay put’ fitHeight 8″Made in USAof Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% ElastaneStyle:SW001618DescriptionOur Hike Full Cushion Crew socks, formerly PhD Outdoor, use cushioning on the entire sock to help maximize warmth and protection. These responsibly sourced, ZQ-certified Merino wool hike socks are built with our top sock tech, including Indestructawool technology for enhanced durability, our 4 Degree Elite Fit System for a dialed-in, performance-oriented fit, and our Virtually Seamless toe for maximum in-shoe/boot comfort. We’ve updated our hike line by improving mesh zones for additional breathability, as well as creating a new ply structure that reduces pilling while enhancing hand-feel and comfort. Not to mention, our best-feeling, best-fitting hiking socks are now made with recycled nylonmaking these socks more sustainable than ever. Now that’s something you can feel good in and about.Benefits4 Degree Elite Fit SystemFor a dialed, performance-oriented fit with flex zone at ankle jointFull CushionCushioning on the entire sock for added protection and warmth.IndestructawoolIndestructawool technology features a patent-pending construction method for exceptional durability and comfortMade In The USAVirtually Seamless ToeSmoothed out toe seams for ultimate in-shoe fit and comfortCareMachine Wash Warm Gentle Cycle.Do Not BleachDo Not IronDo Not Dry CleanWARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov