Kohl's offers The Big One Essential Mattress Pad from $14.99. Coupon code "HOTCOCOA" cuts that to $11.99. Opt for in-store pickup to dodge the $8.95 shipping charge. That's at least $18 off list and the lowest price we could find, although it was $2 less a week ago. It comes in sizes twin to California king. Deal ends December 5.