Features Fitted: Next-to-skin without the squeeze. Soft, ultra-lightweight fabric delivers superior breathability and incredible comfort Large, open-hole performance mesh back and side panels for unrivaled breathability Signature Moisture Transport System wicks sweat to keep you dry and light Flatlock princess seams create a slim, chafe-free silhouette Feminine scoop neck and slight drop-tail for just the right amount of coverage Skinny racer back with keyhole detail 360° reflectivity offers extra safety during low-light runs Polyester/Elastane Imported