Adjustable Band: Features a flexible band that fit various head size, ensuring a secure hold and easy adjustments without tools for quick changes between tasks Comfortable Fit: Includes a unique ventilation design for airflows and comfort during extended use, ideal for high-energy activity such as running and cycling Multifunction Use: Suitable for numerous outdoor activity including exercises, practice, and, offering eye for different situations Strong Build: Constructed from resilient metal, this gear provides durability and resistance to impacts, suitable for demanding outdoor activity like hiking and skiing : Equipped with UV400 shielding and 90% light transmission, it ensures superior eye security and clear visibilities in various lighting conditions, Manufacturer: Oxxggkao