Things you SHOULD wear to the gym: athletic shorts, leggings, yoga pants, sweat pants, tank tops, sports bra, T-shirts, sweatshirts, sneakers, socks and clothing made with synthetic fabrics so that you stay cool.

Moisture-absorbance is the key factor to look at when buying gym clothes. Breathable fabrics will let you reach the goal you desire, as the sweat won't slow you down. Dry fit is one of the terms used by brands, and all do the similar job