ONOS Sierra Polarized Bifocal Sunglasses ONOS Dauphine black Tri-Tech Fit Crossbow frame

black Tri-Tech Fit Crossbow frame with a Smoke Gray lens

allowing users to quickly switch between pre-assembled eyeshields to adapt to changing light environments

Engineered to withstand extreme heat

Available in 5 magnifications: +1

ONOS Sierra Polarized Bifocal Sunglasses ONOS Dauphine black Tri-Tech Fit Crossbow frameThe ONOS Sierra frame style is closely related to the Breeze style, sharing the same attractive and stylish design, with the main difference being the color. The Sierra features a sleek, high gloss black TR 90 frame and polarized, de centered polycarbonate lenses that provide strength and durability. The Sierra offers polarized plano and bifocal lens options. Features: Polarized lenses Low profile bifocals are positioned 8mm below eye level to produce