Product details Fabric type 57% Merino Wool | 40% Nylon | 3% Spandex Care instructions Machine Wash Origin Made in the USA MERINO WOOL BLEND: Enjoy the comfort and warmth of merino wool with these Blue Ribbon socks. The blend of merino wool ensures softness, breathability, and temperature regulation, making these socks perfect for various occasions. ALL-DAY COMFORT: Designed for comfort throughout the day, these socks provide a snug fit without sacrificing breathability. Whether at work or leisure, experience the cozy embrace of merino wool against your skin. PACK OF 4: This set includes four pairs of socks, providing you with a versatile and durable sock option for your wardrobe. Keep your feet comfortable and stylish with the convenience of a pack that meets your sock needs. BLACK/GREY COLOR: The classic black and grey color combination adds a touch of sophistication to your sock collection. Versatile and timeless, these socks complement a range of outfits, from casual to formal wear. DURABLE AND STYLISH: The Blue Ribbon Kirkland Signature Merino Wool Blend Socks combine durability with style. Whether you're heading to the office or out for a casual weekend, these socks offer both reliability and fashion-forward appeal.