Women's Smartwool Foliage Scrape Kneehigh-M--Natural 65% Merino wool, 31% nylon, 4% Elastane Rugged And Durable Socks By The Smartwool Company Made With Merino Wool Smooth Toe Seams and Soft Tops Prevent Irritation Made From The Wool Of New Zealand Merino Sheep So These Socks Keep Your Feet Warm On Cool Days And Cool On Warm Days These Socks Wick Moisture In The Vapor Form Which Helps Keep Your Feet Dry For All Day Wear