Wigwam Men's Snow Tahoe Knee High Merino Wool Ski Sock 52% Merino Wool/45% Stretch Nylon/2% Spandex/1% Stretch Polyester Made in US Machine Wash Made in the USA Ultra lightweight; soft merino wool; doesn't itch or shrink Foot hugging fit and comfort Knee high stay put top, resists odor and insulates Ski and snowboard sock