Wigwam Merino Wool Lite Hiker A soft, lightweight hiking sock for four-season comfort. 1x1 mock rib welt top 3x1 filet rib leg Elastic cushioned instep Full terry leg "Y" heel pocket Ultra-dense lightweight terry sole Ultra-smooth Lin-Toe closure Crew length Features: 60% Merino Wool, 20% 4-Channel Polyester, 18% Stretch Nylon, 2% Spandex