Also available, Oakley.com has Oakley Men's Flak Jacket XJL Sunglasses (various) for $98.50 - 25% in-cart discount = $73.88. Shipping is free.
Non polarized colors as low as $73.88 - colors blue and red in stock select color via picture
Polarized as low as $96.38
Free standard shipping
I only saw one polarized set under $100 but there are several non polarized colors that were available for under $75.