The product has a flexible fabric; Product fabric composition: 60% Acrylic, 30% Polyester, 8% Polyamide, 2% 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; These socks, specially designed for men to maintain maximum foot comfort and performance during "Trekking" and "Hiking" activities, especially in challenging outdoor conditions, are offered with an advantageous "4-Pack" option; This multi-pack provides the convenience of always having durable and warm socks suitable for your outdoor adventures in your wardrobe, while also offering an economical and practical solution for long-term use; The socks are produced for "Winter" use and this feature is reinforced by their "Thick" texture; Their "Thick" structure creates a superior insulation layer against cold weather conditions, preventing feet from getting cold; This thickness also provides extra cushioning to the soles of the feet during trekking and hiking, offering impact protection and increasing comfort during prolonged activities. Being a winter sock, it emphasizes that these socks are designed to keep feet warm even in low temperatures. These "long sock" socks typically reach mid-calf or near knee length, making them a perfect fit with trekking boots and other outdoor footwear. This "long" construction effectively protects not only the feet but also the ankles and lower legs from cold, friction, and external elements. The long cuff fits comfortably inside boots and helps prevent slipping. The term "socket" indicates that these socks are a general sock form and may have a supportive (inferred) structure that wraps around the foot. This "Men's 4-Pack Trekking Hiking Thick Long Winter Sock" offers superior warmth and cushioning thanks to its thick winter fabric, comprehensive protection and compatibility with boots thanks to its long sock length, a design specifically engineered for trekking and hiking activities, and the advantage of a 4-pack, making it an indispensable sock option for men's outdoor adventures during the winter months. It is carefully designed to keep your feet warm, dry (thick and winter fabrics generally help with moisture management), comfortable, and supported all day long.