They have the highly reflective silver coating. Both arms have the "flex" design that does work.
Vtg 1980s Optiline Aluminum Sunglass Frame Only Model 4250 Silvertone Size 62-20
Vtg 1980s Garzell Brown Tortoiseshell X Rap Hip Hop Sunglasses
VTG 1980s Aqua /Pink Sunglasses Color Magic Frame NWT Retro 50s Style
Vtg 1980s Alain Mikli Hand Made in Paris Round Sunglasses Gold & Tortoise Frame
Vintage 80s Jones of Boulder Sunglasses "Wanderer" Carbonite 360 Pink NOS!
Vtg JONES NEW YORK Tortoise Shell OVERSIZED SUNGLASSES Mid DG0713
