1. Warm and breathable material: The motorcycle balaclava is crafted from Lycra fabric, offering elasticity, breathability, and durability while seamlessly conforming to the skin with a lightweight feel. It provides exceptional protection against cold, wind, and dust during autumn and winter. The nose and mouth area features a unique breathable fabric design, ensuring airflow to keep you warm without fogging up glasses. 2. performance: The winter balaclava incorporates upgraded thermosiphon temperature control technology for consistent warmth, heat circulation, and temperature retention. The outdoor sports face mask utilizes honeycombconditioned knitting technology, delivering windproof and dustproof protection while maintaining breathability. With elastic, nonslip edges, it fits snugly on the head, offering fullface coverage without tightness. Suitable for most men and women with a head circumference of 48 cm to 65 cm. 3. Multifunctional and helmetcompatible: The balaclava features a dynamic mecha clash pattern, ideal for outdoor sports. The ski mask fits under any helmet, ensuring comfort. It can be worn as a full balaclava, half mask, open balaclava, or visor, providing protection against cold, wind, dust, and UV rays. 4. Versatile use: The bike balaclava withstands chilly winds, shielding your head and neck from the cold. for motorcycling, cycling, skiing, running, winter biking, hiking, work, tactical training, and other outdoor activities.