Built-in feature that lets you latch it to your shirtThree-Point Fit holds lenses in precise optical alignment while eliminating pressure pointsPlutonite Lenses offer top UV Protection filtering 100% of all UVA, UVB, UVC and harmful blue light up to 400nmO Matter stress-resistant frame material is

Built-in feature that lets you latch it to your shirtThree-Point Fit holds lenses in precise optical alignment while eliminating pressure pointsPlutonite Lenses offer top UV Protection filtering 100% of all UVA, UVB, UVC and harmful blue light up to 400nmO Matter stress-resistant frame material is both lightweight and durable for all-day comfort and protection