You know that feeling you get when you’ve been wearing sunglasses all day? Well, forget it. This member of our super-light frame-less collection weighs in at a feathery 16 grams. And with TR90 nylon Ballast is as durable as it is comfortable with Premium lenses. Stainless steel integral hinge. Tough as nails rimless nylon frame. Includes hard sunglass case. 100 percent UV light blockage for max protection. 100 percent polarization kills reflected glare and reduces eye strain. Lifetime warranty. Black frames with gray lenses. Size- Medium.