Originally Posted by
BlazingPedals
I'm curious what "the effect" is that's worse than you thought. I use cheap sunglasses almost exclusively, and while I've gotten one or two losers, for the most part the only difference I saw was that the Oakley lenses were a lot thicker.
Having cycled for years with cheapies and now making the transition up to more moderately priced sunglasses, I can say the difference is in fit, quality of the lenses, and fogging up. The cheapies were hit or miss on the bike. A pair of sunglasses that might have been fine for driving or general use might constantly slip off my face when on the bike. The lens quality became apparent when I bought my first Tifosi glasses and did an A/B with my previous Nashbar glasses. The lenses on the Nashbar glasses distorted. Finally, the cheaper sunglasses tended to fog up, so I was constantly having to take them off and wipe them off. The Tifosi doesn't do that.