Smith Optics Purist Polarized Sunglasses-Black/Polarized Gray Automatic Just use your thumb to

Just use your thumb to push outward on the recess and rotate the blade into place—with no protruding thumb stud or flipper in the way

Designed with a wide range of visitors in mind

Key Ring Attachment

deep-pocket wire clip that provides left or right-side tip-up carry

Lens Material Optical-grade glass lens

Smith Optics Purist Polarized Sunglasses-Black/Polarized Gray Automatic Just use your thumb toDiminutive in stature but strong in performance and style, the Purist offers delicate surfacing and a rounded, rectangular lens profile in a stylish, 8 base wrap for smaller faces. Auto lock hinges and megol nose pads offer an unbelievably comfortable fit, while our Carbonic lenses provide superior impact protection and 100% protection from the sun's harmful rays. The Purist is a perfect piece for those always on the go.