what kind of sports glasses is that guy wearing," <a href=""https://www.youtube.com/watch?v=bCA54RIkpTo&amp;t=0m33s"">0:33</a>?<br>how well do they  work for jiu-jitsu?",(reply>), @Dan Flanagan they are!,(reply>), @Josh Vogel are they prescription?,(reply>)," Hey Dan! I’m wearing goggles I got for $30/40 from <a href=""http://zennioptical.com/"">Zennioptical.com</a> I’ve had a couple pairs and they work fine for grappling"