The product has a flexible fabric; Product fabric composition: 62% Lambswool, 15% Viscose, 15% Polyester, 5% Polyamide, 3% Elastane; We recommend washing the product at 30 degrees; You can browse our store for more sock models; The products are manufactured by our company; Designed for men to keep their feet warm and experience superior comfort, especially during the cold "Winter" months, these socks are offered with an advantageous "4-Pack" option; This multi-pack provides the convenience of always having quality and warm socks in your wardrobe, while also offering an economical and practical solution for regular use throughout the winter; The main material of the socks is "Lambswool Wool"; Lambswool is wool obtained from the first shearing of a lamb and offers exceptional softness, fineness and natural warmth; This special type of wool is extremely gentle on the skin and has a non-itchy (non-irritating) texture. Lambswool's natural insulation properties help keep feet warm even in the coldest weather; it's also a breathable material, helping to prevent sweating and dampness, ensuring all-day comfort. These socks, labeled "Winter" and "Thick," have a dense and full texture. This thick construction provides an extra layer of protection against the cold while also offering soft cushioning for all-day comfort. It protects against cold surfaces and the harshness of shoes. The "Plain" design means the socks are unpatterned and simple. The "Basic" style reinforces this simplicity and timeless look. This classic plain and basic design easily complements any winter outfit, focusing on the quality of the material and the comfort it offers rather than complex patterns. The term "Half-Cuff Long Socks" indicates that these socks have a longer cuff than traditional short ankle socks, typically reaching mid-calf or near knee length, and pair perfectly with boots and ankle boots. This "long" construction effectively protects not only the feet but also the ankles and lower legs from the cold. The half-cuff length also makes them suitable for everyday wear. This "Men's 4-Pack Lambswool Wool Winter Thick Plain Basic Half-Cuff Long Socks" combines the luxurious softness and natural warmth of lambswool wool, the protective properties of a thick winter fabric, the comprehensive comfort of a longer-than-half-cuff length, the timeless elegance of a plain and basic design, and the advantage of a 4-pack, offering men an indispensable sock option for the winter months. They are carefully designed to keep your feet warm, dry, and comfortable all day long.