On this episode of the VeloNews Tech Podcast, tech guru Lennard Zinn joins tech editor Dan Cavallari to talk about his in-depth sunglasses clarity test.

What makes a pair of sunglasses good? Is it the clarity? Is it the polarization? What about UV protection? Zinn breaks it all down for us, and gives us insight as to whether you actually need any of these things.

Zinn also walks us through what he did to test many of the most popular sunglasses on the market. Be sure to listen to get a sense of what matters when you buy a pair of sunglasses, according to Zinn.