Made in USA The softest wool running socks on the market, designed to fit both Women and Men. Ultra Light weight merino wool performance no show tab running socks with reinforced heel and toe zones for durability and comfort 57% Ultra soft merino wool, 37% Nylon, 6% Spandex. Made from ultra-fine 22.5 micron merino wool. Designed for long-lasting softness Quick wicking to keep feet dry; anti-microbial to keep feet fresh; vibrant colors to keep you looking good Lifetime Guarantee. Machine Washable. Manufactured in the USA with ultra soft merino wool. Great for hiking, biking, mountain biking, camping, trekking, trail running, walking or relaxing at a coffee shop. WHY MERINO? Merino wool comes from a species of sheep that produces very fine and soft wool. It is not coarse and itchy like other wool socks, but amazingly soft, while still retaining all of the wool’s other wonderful properties. Your new favorite socks. Buy some today.