Oakley Vault offers its Oakley Men's Eyepatch 2 Sunglasses in Polished Clear/Grey, model no. OO9136-02, for $54.99 with free shipping. That's the lowest total price we could find by $25. They feature Plutonite lenses with 100% UVA, UVB, and UVC protection.
If you're at least 62 years old, you can score a $10 lifetime pass to America's federal parks and recreational lands. But act quickly because fees are about to jump.