I'll miss their medium-tall size if they're truly gone! Kind of the holy grail for tall skinny people. Anyone have recommendations of brands with similar fits?
I've found the same. And thinking it through, I can't come up with a mechanism for how a few more CO2 molecules bopping around in a sea of nitrogen and oxygen changes anything about how my lungs exchange the CO2 in my body with air around me. These counts are ppm, nothing!
Ha I had to stop tracking my bike commutes because I was going way too hard for Strava times on them. It got to the point where it was sorta dangerous... Love the app for my fun rides tho!
This isn't true, the latest models work at temps far below that. There are still thresholds where you'd want another source, but they're very functional even in the upper Midwest.