Q: My feet burn when I run... why?

The person who asked this question had dark sneakers, and was curious to know if that was the cause (i.e., darker colors absorb more heat). They didn't think it was the case, as they knew other people with the same sneakers who didn't have this problem, and they weren't really running at noon either. However, they were at a loss for what was causing the problem... they had good socks, had been properly fit for the shoes, etc.

Km: I honestly wasn't sure what would cause this, and tended to agree that it probably wasn't the color of the sneakers. My best explanation was that the person might have been wearing socks that were too thin, even if they were running socks. If their foot was sliding slightly in the shoe, maybe the friction created was resulting in excess heat. This would be more easily conveyed to the foot through a thinner (versus thicker) sock too. I looked it up to see if anyone had a better explanation, and came across this post. Turns out, I might have been right... wahooo!