For the day hiker looking for a little more coverage, this sock adds a small amount of cushion. An open, mesh fabric and two types of rib offer enhanced breathability and a perfect fit. Inspired by today’s ultra-light hiking shoes. – Sock Height: Crew – Mesh ventilation zone – Flat knit toe seam – Elasticized arch brace – Made in USA of Imported Yarn: 67% Merino Wool, 30% Nylon, 2% Polyester, 1% Elastane – Machine Wash Warm, Wash Inside Out. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.