eBay has the Ray-Ban Justin Polarized Men's Sunglasses (RB4165, 3 color options) for $60 with free shipping. List price: $200. Features UVA and UVB protection.
eBay has the Peppers Men's 2-Step Polarized Sunglasses (Grey/Red) for $12 with free shipping. List price: $35. Features polarized lenses with 100% UV protection with 12% light transmittance.