These Lifestride Riding Boots, originally $99, are $39.99 at 6pm.com, an Amazon company. Choose from four styles: Venture, Ravish, Sasha or Maximize. This is the lowest price we found on any of them, and the next best price we found for the pictured Venture boots is $70. All the styles come in several colors, and are part of a larger comfort boot sale. Shipping is free at $50 or when you buy any two items. Sales tax is charged in most states.