Black thermal socks Inov-8 Season Outdoor Mid 2 Pack are ideal for running and hiking. * material: 68% recycled polyamide, 13% Merino wool, 13% tencel™, 6% lycra®️ * made from a mixture of natural and recycled yarns * robust and durable with an admixture of merino wool * natural temperature regulation * ventilated areas around the midfoot ensure maximum breathability * tight fit * reinforced foot area