You could develop a skin rash from a sports bra. It's uncomfortable and could stop you from working out. Make sure to get the right sports bra to begin with.
How to Prevent and Treat Sports Bra Chafing at the Source
SweetSpot Labs Guide to Underboob Rash
Remedywear Light Support Eczema Bra for Sensitive Skin, Tencel and Zinc, Hypoallergenic (White, XS) : Health & Household
4 Common Skin Reactions Brought by Wearing the Wrong Bras
Anti-Chafing Cream is a holistic solution to reduce friction and prevent blisters. It is easy to use and provides complete protection against
Skift Dry Feel Anti Chafing Cream | Anti-Rash Cream For Underarms, Inner thighs, Blisters, UnderBreasts | Soothes Rashes | Enriched with Squalane
12 best anti-chafing products to keep you feeling great all summer
Show me your boob… sweat: Sports Bra Chafing and Marathon Running
Chafing Cream: The Best Anti-Chafing Creams 2022
Hypoallergenic Bras with Smartcel Sensitive, Remedywear™'s hypoallergenic bras are made without latex, nylon or nickel and use only allergy safe dyes
Remedywear™ (TENCEL + Zinc) Hypoallergenic Bra - Light Support
The Best Chafing Creams of 2022 — Anti-Chafing Products for Irritated Skin
7 Best Chafing Creams & Sticks 2023: Tested & Reviewed Anti
How Should a Sports Bra for Running Fit?
Women's Sports Bra Guide - What To Look For –
What to Do for Chafing, Irritation and Rash From a Sports Bra