Minus33 Merino Wool Workhorse Multisport 3/4 Length Sock 52% Merino Wool/35% Polypropylene/12% Stretch Nylon/1% Spandex Imported QUALITY MERINO WOOL SOCKS: 52% Merino Wool. Strong and comfortable. Machine washable and dryable. Naturally antimicrobial and moisture wicking means no stinky feat. Superior Strength + Diverse Functionality = Workhorse Multisport CRAFTED TO FIT: Size S - XL in 3/4 or Crew-Length style. Full cushioned bottom for comfort. Seamless toe. 12% Stretch Nylon, 1% Spandex gives just enough stretch. 35% Polypropylene adds superior durability for long days working or playing EXPERIENCED BRAND: Although there are many copy-cats on the market today, Minus33 has been a trusted brand since 2004 IMPORTED: As the legacy of a 100+ year old USA based woolen company, Minus33 knows quality and comfort in Merino Wool. We are committed to bringing you the best Merino Wool products at a reasonable price TECHNICAL DETAILS: Knit socks 57% Merino Wool, 29% Nylon, 11% Stretch Nylon, 3% Spandex. Garment weight size large = 1.6 oz. (45 grams) 52% Merino Lambswool, 35% Polypropylene, 12% Stretch Nylon, 1% Spandex Full cushon comfort and great for all winter activities Machine washable and machine dryable Weight ofSock Size Large =3.52 oz. (100 grams)