Duduma Sunglasses via Amazon offers its Duduma Unisex Polarized Sports Superlight Sunglasses
in six styles (Black/Blue pictured) for $22.99. Coupon code "ABPCOK7P" drops it to $13.99
. Plus, Prime members bag free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $5.48.) That's $32 off list and the lowest total price we could find. They feature polycarbonate lenses with UV400 protection and include a pouch and cleaning cloth. Deal ends September 4.