Attention, day hikers: your search for the perfect sock ends here. The Smartwool® Hike Ultra Light crew sock adds a little more coverage and cushion to your busy days. The perfect partner for state-of-the-art hiking boots, these machine-washable Merino wool socks support your adventures with open mesh fabric and multiple types of ribbing for a breathable, perfect fit; an elasticized arch brace for comfort and support; a flat-knit toe seam for smooth wear; and WOW™ Technology that reinforces the sole for comfort and durability. 73% Merino wool, 24% nylon, 1% elastane, 2% polyester. Made in the USA.