Time to Shade offers the Persol Unisex Reflex Edition Terra Di Siena Optical Eyeglasses in Tortoise for $120. Coupon code "REFLEX" cuts the price to $66. With free shipping, that's $254 off list and the lowest price we could find. They feature a metal and plastic frame, 140mm temple length, and a rectangular shape. Deal ends March 13.
The planet will thank you, your local (overwhelmed) landfill will thank you. Even your budget will thank you.