For comfort, speed and breathability, look to the New Balance Women's Accelerate Tank. Made with NB Dry fabric, sweat is kept at bay, leaving you cool and dry while it's super soft, lightweight, mesh material gives you increased breathability and airflow.  The athletic fit and racerback design offer you increased freedom of movement and flexibility to pick up your pace. Flatlock seams ensure a chafe-free experience for a distraction-free run.