Radians BG1-21 Barricade Lightweight Smoke Anti-Fog Lens Compact Goggle with Adjustable Elastic Strap Lightweight smoke anti-fog lens compact goggle with adjustable elastic strap Indirect venting system provides extra fog control and ventilation Polycarbonate lens provides impact resistance; a comfortable and easily adjustable fit Soft rubber frame offers maximum all-day comfort; meets ANSI Z87.1 + standards