Understated and sophisticated, Native Eyewear's Vigor Reflex sunglasses protect your vision from harmful UV rays and glare. Interchangeable SportFlex lenses allow versatility in low light conditions. . Best fit for large profiles. Optical quality, impact resistant lenses block 100% UVAUVB rays. Asphalt frame: Blue Reflexgray base lenses suitable for extremely bright sunlight with 10% VLT Visible Light Transmittance. Includes one set of interchangeable SportFlex lenses for low light conditions with 60% VLT ideal for cloudy, overcast conditions, dusk and dawn. Polarized Reflex lenses provide superior glare reduction and enhanced styling. Polarization eliminates glare from surfaces including water, sand, pavement, ice and snow for sharp, crisp, glare free vision with increased contrast. Rhyno Tuff thermoplastic air frames are lightweight and durable enough to withstand high velocity collisions and temperature extremes. Venting system enhances airflow to eliminate fog and condensation. Cushinol nose pads ensure a soft feel. Cam Action hinges quickly lock into place so you're ready for action. Mastoid Temple Grip for a secure and comfortable grip behind the ears. Anti Ocular Intrusion System to prevent the lenses from dangerously shooting toward your eyes in the event of a high velocity impact. Includes semi rigid zippered case and soft pouch.