I started running again after about 4.5 weeks were very supportive bras shockabsorber ultimate run bra in my case. Might eat to also wear a second sorts bra or just compression crop top over just to be on the safe side.
Never had sweaty boobs pre op even running a marathon, (so small) now huge sweat patches yuck but worth it 😉
Did 12k 6 weeks and 1 day after surgery.
Also I had unders and actually for running it’s great as the muscle is prettying a basically bra as well so helps out the running bra 😉