Sierra Trading Post: Up to 50% Off UGGs Free Shipping Get it at Sierra Trading Post Check It Out We've been price checking these Katia boots for months and this is the lowest price we've seen to date! Brad's Deals Editor Marisa, Details Get up to 50% off women's UGG boots and shoes at Sierra Trading Post. Some best bets are these UGG Katia Boots which drop from $250 to $129.99, these UGG Quilted Elsa Boots which drop from $250 to $129.99, and these UGG Simmons Leather Boots which drop from $170 to $99.99. Spend $75 and you'll also get free shipping by adding code EMY17 during checkout. Sales tax is charged in most states. Advertiser Disclosure How To Get It Add a pair of UGG boots to your cart. In your cart, click on "Add A Key Code" underneath your total. Then enter code EMY17 to get free shipping at $75.