They seem like they will work for most people just fine. Unfortunately I have awful eyesight and particularly thick glasses, so they don't fit great on those. Still, only $10, so I can live with an imperfect fit.
Oakley Flak Jacket 13-727 with Polarized Lenses
36 Review
Enhance Your Eyewear: Mryok Polarized Replacement Lenses Tempo - Find the Perfect Fit!
34 Review
Walleva Replacement Lenses Batwolf Sunglasses Men's Accessories
46 Review
The Ultimate Ski Mask: The Friendly Swede Balaclava Face Mask For Men And Women - Perfect For Standard, Nordic, And Arctic Conditions!
41 Review