The clearance items over at Maidenform are 50% off! That will start out items at $3.00. This sale is valid Dec 26-28, although they tend to get picked over quickly, so this morning is your best bet at finding great items.
Your discount will be applied once items are in your cart, no coupon code needed.
If you are in need of a bra, you can also buy 2 regular priced bras and get your 3rd for free through the end of the year. (Please note that this offer excludes sale, clearance and $15 bras.)
Shipping is $7 on orders less than $75.