The Radians Chief is designed to fit Over the Glass (OTG), which means these close fitting safety glasses can be comfortably worn over prescription eyewear. The traditional looking glasses provide outstanding eye protection with deep reinforced sideshields for high-impact lateral protection and an integrally molded brow guard. The hard coat lenses provide 99.9% UVA/UVB protection. Meets ANSI Z87.1+ and Canadian safety requirements. Available in youth size.