Darn Tough Socks will provide you with an unrivalled level of performance. Women's Merino wool 1/4 sock has high density cushioning on foot bottom. Custom shrink treated Merino wool. Reinforced heel and toe. Elastic support around the arch. Ring toe construction for a comfortable, invisible seam.  Moisture wicking, thermo regulating, and odor resistant. Made of 59% merino wool, 39% nylon, 2% Lycra spandex.  Machine washable, tumble dry or hang dry. MADE IN VERMONT