[High-Performance Insulation Material & 38°C Constant Temperature] This neck warmer is made with a solid construction and moderate thickness, and features a high-performance insulation material for the lining. It traps heat when worn, blocks cold wind, and can maintain a constant temperature of 38°C. With its thickness and high-performance insulated fabric, it provides warmth beyond imagination! It's an essential cold-weather accessory for outdoor activities in winter. [3x Softer Touch] Compared to others, this neck warmer uses a soft-touch fabric that is gentle on the skin. It has a light feel that gently wraps around the neck, and the touch is 3 times softer. It also has the benefits of preventing static electricity, excellent deodorizing and dehumidifying properties, and a comfortable feel. It's warmer and feels great to wear. [Adjustable Cord] The design incorporates an adjustable cord, allowing you to freely adjust the size to fit your face. The size can be adjusted within a range of 52-60, according to your preference. Tighten the cord when going out to enhance windproof effects! And with its long design, it can firmly cover your nose and ears. It can be used as a face mask to block strong winds. [Breathable] It's sized to fully cover the neck. It's warm and can be used by anyone. It also uses a lightweight and breathable material that makes it easy to breathe. It's suitable for thermal insulation and cold protection during mountain climbing, as well as winter sports. [Winter Cold Weather Protection Goods] It's perfect for cold weather outings, commuting, going to school, and other cold weather measures, as well as for autumn and winter outdoor activities, sports, mountain climbing, golf, fishing, cycling, skiing, snowboarding, travel, running, jogging, baseball, outdoor work, labor, winter walks, and walking. Thank you for viewing.