Color: Gray [2025 New Product - Warming Socks] Introducing "Warm Socks," set to revolutionize the cold-prevention market this winter 2025. Fusing fiber science with Japanese warming culture, these socks maximize comfort and functionality. Their key features are the double structure of "Extra-Thick Ankle Pile" and "Moisture-Absorbing Heat-Generating Fibers." They thoroughly protect the ankles, the body's "cold origin point," and trap internal heat. Furthermore, the polyester x acrylic hybrid material boasts 15% higher heat retention than wool and excellent durability, maintaining a comfortable fit without losing shape even with daily use. These are truly the new standard for winter, achieving "warming just by wearing them"! [Extra-Thick Ankle Pile Creates "Heat-Generating Warmer Effect"] The ankle area, crucial for cold prevention, features concentrated thick pile! It wraps 360 degrees like an ankle warmer, blocking external cold. The extra-thick pile also functions as a "heat-trapping circle," locking in warmth inside the sock. By gently warming the Sanyinjiao acupoint, it promotes blood circulation, spreading natural warmth from the ankles to the entire body. These are ideal cold-weather gear for those suffering from cold sensitivity or for sleeping in winter. [Double Effect of Moisture-Absorbing Heat-Generating Material x Brushed Lining] The latest "moisture-absorbing heat-generating fibers" absorb moisture and convert it into heat! They generate natural warmth using sweat and moisture, achieving long-lasting warmth. Additionally, the entire inner surface is lined with soft brushed material. The fine pile firmly traps warm air, balancing a gentle feel against the skin with comfortable warmth. This provides a "warm from the moment you put them on" sensation, preventing coldness immediately after getting into bed and supporting restful sleep. [High-Quality Finish Pursuing Durability and Cleanliness] Because they are socks worn daily, we've thoroughly focused on durability. Utilizing the strong abrasion resistance of polyester and the excellent elasticity of acrylic, these socks prevent loss of shape and wrinkles. Furthermore, a special anti-pilling treatment suppresses the formation of pills and fuzz, maintaining a like-new softness even after repeated washing. The toe and heel areas feature reinforced stitching.