3 ms·
What’s breathing through one like when working hard? I’m imagining I would feel suffocated.
by rikkus 9y ago
What’s breathing through one like when working hard? I’m imagining I would feel suffocated.
- Retric 9y agoDepends on the mask. A good one is only really noticeable as something on your face. I find it easier to breath as the air feels cleaner and my chest feels less tight. PS: I suspect re-breathing a tiny amount of CO2 probably has a measurable impact over a longer race. (Don't have data on this though.)