The blue reflective coating immediately began to peel off in salt water. I'm sure the lens polarization is still intact, but they're already ugly.
Oakley Flak Jacket 13-727 with Polarized Lenses
36 Review
Oakley Flak Jacket XLJ Sunglass Replacement Lenses & Sock Kit By BlazerBuck
39 Review
Walleva Replacement Lenses Batwolf Sunglasses Men's Accessories
46 Review
Polarized Aviator Sunglasses For Men With Military Style By SUNGAIT
36 Review