Most of the year I’ve been running outside or in the basement with my shirt off. I’ve found that sweating in cool weather tends to get my nipples sore, so I usually remove my shirt before I get on the treadmill, or outside if it’s nice enough.
However feeling sick the last week, and chilly weather, have had me keeping them on in the basement for treadmill runs. Too cold to run without a shirt.
Adapting to my environment and listening to the body.