Hello! Regarding comfort, having the right pair of frames for running makes all the difference in whether you have a positive or negative experience overall. Generally speaking, a full wraparound 8 base frame that is lightweight with lots of rubber is what to look for. Some rubber materials, like Oakley's Unobtanium, can get tackier to the touch reducing the chance of them sliding or falling down one's face especially when you start to sweat profusely. Check out some models below for an examples. Hope this helps! 👉www.sportrx.com/sportrx-olsen.html 👉www.sportrx.com/100-hypercraft.html 👉www.sportrx.com/oakley-evzero-blades.html 👉www.sportrx.com/tifosi-vero.html