Materials and protection Materials: Antislip and shockabsorption properties. Lightweight, impactresistant nylon fiber material for comfort and durability. Provides protection. Head circumference compatibility: Suitable for 5266 cm (20.426 in). Color options: Available in multiple colors. Comfort and adjustability Size: 21 x 12 x 23 cm. Fit and stability: Elastic headband for adjustable comfort; adjustable strap keeps it stable during running and shooting, even in intense games. Target users: Suitable for most teenagers and adults. Fullface protection and ventilation Upgraded fullface design: Nose and mouth ventilation holes promote air circulation while protecting the face from foreign objects and helping prevent lens fogging. Protection performance Standards and tests: ANSI Z80.3 compliant; passes Falling Ball Test at temperatures from 14 F to 107.6 F and a 600 fps impact resistance test. Outdoor use: Meets outdoor protection product requirements and can be used with air gun helmets for a more complete protection setup. Use scenarios Backyard target practice with air guns in various weather conditions; provides facial protection and good airflow. Airsoft or BB gun field games requiring secure fit and reliable protection during movement. Training and practice for teens and adults, especially when paired with other air gun helmet gear for enhanced safety.