Get 40% off select dresses plus free shipping at Express.com. The Striped Twisted Hem Tank Dress goes from $49.90 to $29.49 and is available in blue and gray in sizes extra small to large. Or check out the Striped Square Sheath Dress, which drops from $39.90 to $23.94, available in colors red and black and ranging in sizes from extra small to large. Also, the Ruched Racerback Tank Dress goes from $49.90 to $29.94, and it’s available in five colors: blue, green, pink, white and black. Considering the availability and sizes of each dress, with free shipping to boot, these are the best available prices online. Sales tax is charged in most states.