This deal has ended.
Through 8/29, Overstock marks down the Eco-friendly 2-inch Memory Foam Mattress Topper, which retails for $179.99, from $61.99 to $56.99. It is available in twin, twin xl, full, queen, king and California king. It is well reviewed, with 4.6 stars out of 5 reviews. Shipping is $2.95 and there's no sales tax (except UT).