QUALITY MERINO WOOL SOCKS: 65% Merino Wool. Super strong and comfortable. Machine washable and dryable. Named the Workhorse for its superior strength and diverse functionality. Great anytime you want merino wool comfort in long lasting durability. CRAFTED TO FIT: Size S - XL in over-the-calf length style. Full foot plating for extra durability and comfort on the footbed. 33% Stretch Nylon, 2% Spandex gives just enough stretch allowing these socks to gently hug your feet. Seamless toe creates a more comfortable fit. 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 65% Merino Wool, 33% Stretch Nylon, 2% Spandex. Garment weight size large = 4.8 oz. (136 grams) PRODUCT STORY : This sock means business! Designed to take on whatever you can throw at it, this over-the-calf sock will support even your toughest jobs. Great for tall muck boots on the farm or a day in the woods, wear this sock to get the job done!