The Velocity 5. 5 goggles are high performance and high comfort. They feature a bulletproof, permanent anti-fog, WideVision lens, allowing you to look ahead without fear of roost or loose gravel. The goggles have a tapered shape to fit helmets with tighter eye ports, with a Tear-Off pack included for those muddy or dusty rides. All-day comfort is a guarantee with triple-layer comfort face foam and anti-sweat fleece backing. A self-draining open lower frame allows dirt to fall from the lens, and an OTG design accommodates prescription glasses. Bulletproof and impact tested to: ANSI Z87. 1-2015. Military Ballistic Impact Standard (MIL-DTL-43511D). Certified CE EN 1938:2010. Out-riggers with a 45 mm anti-slip coated strap. WideVision (170Adeg) Anti-Fog lens. Permanent anti-fog function built into the inner lens polymer. Self-draining lens / frame design. Tapered custom shape to fit even those difficult helmets. OTG - Over the glasses fit. Triple-layer, dual-density foam with anti-sweat fleece backing. Roll-off ready for Leatt's WideVision 48 mm system (sold separately). Tear-off ready with posts (tear-off pack included). Optional lenses available from 22 to 83% light transmission (VLT).