Reflekt Polarized Ratchet Sunglasses Lifetime Plus Loss Warranty- Lose them once and get another pair under warranty TR90 Airframes- Light, durable and flexible for an amazing fit Cam action hinges, Hydrogrip nosepads, Temple taper and Bend Back design Core Polarized Lens: Injected and Decentered, UV400 Protection, Anti-Scratch coating and high velocity impact resistant Second set of Interchangeable Enhancer Low Light lenses included