Ready to join the adventure with aviator style, Native Eyewear's Haskill Sunglasses feature N3 polarized lenses for outstanding infrared light protection, acuity enhancement, and impact resistance. Best fit for a medium to large profile. N3 Polarized Gray lenses suitable for extremely bright sunlight; offer for all-around protection; maintain color saturation and natural contrast. 13% VLT (Visible Light Transmittance); the lower the number, the darker the lens. N3 Polarized Lens Technology:~ Blocks up to 4x more infrared light than regular polarized lenses, decreasing eye fatigue and reducing the likelihood of dry eyes~ Delivers high contrast, crisp definition, and peak visual acuity by significantly reducing blue light and selectively filtering UV for protection up to 400nm~ Provides superior impact resistance for durability and protection to the ANSI Z87.1 standard. Optical-quality polarized carbonate lenses provide 100% UV protection and eliminate glare from water, sand, pavement, ice and snow for sharp, clear vision. High-performance thermoplastic Rhyno-Tuff Air Frames provide lightweight durability to withstand high-velocity collisions and temperature extremes. Co-injected molded temples seamlessly incorporate molding into the plastic for superior grip and lightweight comfort. Flex Metal adjustable nose pad system for a more customized fit. Cushinol nose pads ensure soft feel and custom fit, regardless of shape or size of nose. Cushinol temple pads create a nonslip grip that keeps sunglasses in place during athletic activity.