Arc Crop TankKey Features Cropped, Round Neck Design Designed with a classic round neckline and a modern cropped length for a clean, athletic silhouette that flatters and moves with you. Smooth, High Stretch Fabric Made from a performance blend of nylon and spandex, offering a soft, flexible feel that hugs the body while allowing full range of motion. Opaque Coverage Provides confident, non sheer coverage so you can focus on your workout without distractions.