Originally Posted by smokepole
Question for youse guys. I did a cardio workout yesterday, stair machine and bike. I was wearing a gifted pair of UA bottoms that are effectively compression pants. For whatever reason, the workout seemed easier than normal, so I googled "compression pants cardio," and was kind of surprised to read that they are in fact supposed to help with cardio by improving circulation and returning more blood to the lungs.

Anybody seen this in practice?

I haven't noticed that, but used to wear compression socks (above the calf) when I was doing mountain ultras and it seemed to help with preventing cramping (in the calves).