* Avoid clothing made from 100% cotton. Cotton holds onto moisture once you start to sweat. * Don’t wear jeans or other heavy pants not designed for exercise. * Avoid non-sports bras and stretched out sports bras. * Don’t wear clothing that’s overly baggy. * Avoid wearing jewelry and other objects that have the potential to be hooked or break. * Don’t wear clothing so tight that it restricts your movement. * Avoid wearing heavy makeup. * Don’t wear boots or non-supportive shoes. * Avoid thong underwear. * Don’t wear new clothes to the gym before trying it out first. References https://www.womenshealthmag.com/fitness/a19962221/what-not-to-wear-to-the-gym/