Kanaio Coast polarized sunglasses are designed with adventurists in mind. They feature a lightweight injected nylon frame and hidden spring hinges, ensuring a customizable and comfortable fit for any activity level. Lens technology: The SuperThin Glass lens material provides the absolute crispest optics available. 20% to 32% thinner and lighter than standard glass, it offers the best scratch and solvent resistance. The Neutral Grey color offers the highest available light reduction for the richest colors and sharpest contrast. Included items:- Gift box, Black case, Drawstring pouch.