This deal has ended.
Update: This deal is over. Price back up to $99.99. Overstock drops the Slumber Solutions Highloft Eco 3-inch Memory Foam Topper from $99.99 to $89.99 an part of their Red Line Deals. It's available in sizes from twin, full, queen, king and California king sizes for this same price. Shipping is $2.95 and there is no sales tax (except UT).