Our winter-weight sock is just the ticket for cool-weather riding. With USA-sourced Merino wool, this cushy sock is great anytime your toes may get a chill. Wool's inherent ability to wick moisture in the vapor state makes these socks ideal when it's cold, whether you're riding your bike, Ornot. . Made in the USA, with a thick, durable, Merino wool blend. . Content: 39% Nylon, 29% Merino Wool, 29% Recycled Polyester, 3% Lycra . Minimal heel and toe seams. . Naturally odor resistant. . Can be worn to the office, Ornot. . Care: Machine wash cool. Tumble dry low or hang dry.