Amazon has Luenx Polarized Sunglasses for $11.04 (Reg $26) with free shipping on orders over $25 or with Amazon Prime orders.
Based on the Classic Style Sunglasses which feature modern designs that offer clear vision free of distortions, along with thin lightweight frames that are ergonomically designed to be comfortable. The classic style sunglasses is engineered to be impact resistant and 10 times stronger than other plastic and glass lenses