This is what you get after 16 years of painstaking R&D: killer-looking eyewear that endures a world of hurt without letting anything get in the way of clear vision, fit, or comfort. Constructed of virtually indestructible Grilamid®, the Quanta 2.0 features the Scoop® ventilation system to increase airflow and decrease fogging, interchangeable 8-base polycarbonate ARC® lenses, and slip-resistant rubber nose pads and temple tips.ANSI Z871. certified for lens retention and high mass impact resistanceHappy Lens™ enhances color and contrast, increases clarity, and improves mood and alertnessHytrel™ rubber nose pads and temple tips for a secure, comfortable fit in the wettest conditionsScoop® ventilation system increases airflow to decrease moisture and foggingConstructed from virtually indestructible Grilamid®Interchangeable 8-base polycarbonate ARC® lensesHigh-quality, long-lasting pin hinges100% UV protection reduces eye fatigue and long-term sun damageFrame measures 64-18-125