I use KT Tape under my sports bra so that I don’t chafe, and on my back as well. And then I additionally use A+D diaper cream to avoid chafing between my thighs and on my proper arm because it gets a little chafed there from the sports activities bra. https://keeganruwww.isblog.net/water-fountains-chook-baths-davidsonville-md-34916853