Description of Wigwam Snow Xenon Pro Socks Formerly known as: Ultimax® Xenon Lightweight with cushioning in all the right places, this moisture-managing snowsports sock is the perfect match for any technically advanced boot. Features: 32% Stretch Nylon, 30% Merino Wool, 21% Olefin, 12% X2O™ Acrylic, 5% Lycra® Spandex