The Radians G4 junior glasses offers a stylish one piece lens design offers integral side shields and extended brow guard protection for maximum safety. Smaller frame suitable for ladies and youth 5-position ratcheting temples with telescoping temples for custom fit Full side shield coverage and extended brow protection Provides 99.9% UVA and UVB protection Complies with ANSI Z87.1 standards Low profile earmuff. Adjustable moisture wicking headband. Compact folding feature. Imported Low profile earmuff Adjustable moisture wicking headband Compact folding feature NRR 21