Vision ChromaPop™ lenses enhance contrast and natural color to make the details pop Interchangeable lenses Fit / Integration Small to medium fit, large coverage 5-base lens curvature Slight wraparound fit Megol temples and nose pads provide non-slip grip so glasses stay put Two-position adjustable Megol nose pads Frame Evolve™ bio-based frame material is lightweight and durable AutoLock hinges hold frames open for easy one-hand on and off Strategic venting increases airflow for reduced fogging and maximum clarity