Cassi Dress The Cassi is tight fitting throughout the bodice and skirt. This dress features a center front slit to give your legs some room to breathe. It gives you a little extra shape. - Size: XS - Color: Black - Bra friendly - Midi length - Runs small - Side slit - Slim fitting - Square neckline - Stretchy fabric - Unlined - Eco Rib is a medium weight, stretchy ribbed knit with a soft handfeel - 88% TENCEL™ lyocell, 12% spandex.