ONOS Sierra Polarized Bifocal Sunglasses ONOS Petit Bois Distortion-free lens with superior optical

Distortion-free lens with superior optical quality

all-day eye protection that you can trust

Upper Brow Guard

The bifocal magnified area is strategically positioned in the lower inside part of the lens

ONOS Sierra Polarized Bifocal Sunglasses ONOS Petit Bois Distortion-free lens with superior opticalThe 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