eBay with world-of-optics has the Oakley Split Shot Men's Polarized Sunglasses (Matte Black, OO9416-0664) for $100 with free shipping. 100% UV protection.
Olympia Sports has the Oakley Overdrive Backpack (Black or Blue) on sale for $40 with free shipping.
Proozy has the Oakley Caveat Polarized Sunglasses (Brunette/Bronze) for $85 - $35 off with coupon code OAK50 at final checkout + $0 shipping = $50 shipped.
Select Oakley Styles for $50. Ashford has the Oakley Targetline Men’s Sunglasses (Black/Prizm, OO9397-01) for $60 - $10 off with coupon code ASHOAKLE50 in cart = $50 with free shipping.