One of the most important features of a quality fitness T-shirt is its fabric. Unlike regular cotton shirts, most fitness T-shirts are made from moisture-wicking materials that help pull sweat away from the skin. This keeps your body cool and dry during intense workouts. Breathable fabrics also improve airflow, reducing discomfort and allowing you to focus fully on your training routine. Staying dry during exercise not only improves comfort but also helps prevent skin irritation.