Strong warm performance: high-quality warm materials are used to effectively block cold air, provide warm care for the face and neck, and maintain warmth in cold weather.Good windproof effect: It can effectively resist cold wind, prevent cold wind from entering, reduce the discomfort caused by wind, and protect travel safety.Anti-smog function: It can filter dust, impurities, etc. in the air, effectively blocking smog and providing protection for respiratory health.Comfortable fit: Designed to fit the curves of the face and neck, it is comfortable to wear, does not feel tight, and does not affect sight and movement.Durability: The material is sturdy and durable, not easy to wear and tear, can withstand the test of outdoor environments, and can be maintained in good condition for long-term use.