The choices we make about what we wear closest to our bodies during physical exertion carry quiet consequences that most people never pause to examine. Women's health experts are drawing attention to how sweat, friction, and fabric interact in the intimate zone during exercise — not to alarm, but to clarify a distinction that shapes real prevention: sweaty underwear creates uncomfortable conditions, but it does not directly cause infection. Understanding that difference, and choosing moisture-wicking fabrics over absorbent cotton, is a small act of bodily literacy with meaningful returns.