Smith Optics Backdrop Glass Lens Sunglasses-Brown Stripe-Polar Green Mirror 18350 and the ends are laser

and the ends are laser welded together

yet provides added durability for daily use

8 hrs / High: 480 lumens

Diameter：31mm

You will hardly feel its weight when wearing it with the elastic and sweatproof headband

Smith Optics Backdrop Glass Lens Sunglasses-Brown Stripe-Polar Green Mirror 18350 and the ends are laserProduct Description A perfect complement to the Touchstone, the Backdrop incorporates the same great features like stainless steel spring hinges and Megol contact surfaces at the nose and temple tips. Sharp styling and thoughtful detailing, showcase a medium coverage lens profile with unmatched optical clarity. ul> Medium Fit Medium Coverage Techlite Polarized Glass TLT Lenses Evolve Frame Material Anti Reflective and Hydroleophobic Lens Coatings