GearRoot Bike Goggles, Protective Eyewear Goggles with Adjustable Strap for Hunting Riding BMX Cycling Motorcycling Climbing Skiing and Shooting Ventilation Design: The frame is designed with ventilation providing drag reduction. Silicone Strap: Adjustable non-slip and high elastic strap can be adapted to any size of head. Compatibility: It is suitable for other kinds of helmet, sighting telescope and night vision system. Colorful Lens: It can decorate your outdoor activities and protect your eyes when wearing those goggles. Application: Used for outdoor activities, such as cycling, climbing, riding, BMX biking and other activities.