Get a variety of athletic and outdoor dresses for spring as low as $23 today at 6pm.com, an Amazon company. Prices are already around 50% off the price at big box stores, and code TAXDAY10 takes another 10% off at checkout. For example, this Prana Amaya Dress in Sail Blue (listed at $70) drops from $26 to $23.39 and this North Face Dahlia Dress (listed at $65) drops from $35.99 to $32.39 after the code. Shipping is $4.95 or free at $50. Sales tax is charged in most states.