The Haight 2 brings fine-tuned fit and tough construction to an iconic best-seller. Delivering updated temple, nose bridge and nosepad fit for extended-wear comfort, Haight 2 sunglasses have square lenses with a durable injected-Grilamid(R) frame that stands up to any lifestyle. Happy Lens(TM) enhances color and contrast, increases clarity, and improves mood and alertness Constructed from virtually indestructible Grilamid(R) 6-base polycarbonate ARC(R) lenses Sturdy, smooth 5-barrel hinges 100% UV protection reduces eye fatigue and long-term sun damage