Overstock again drops the Slumber Solutions Highloft Supreme 3-inch Memory Foam Topper to $57.99. Plus, shipping just $1, matching this with the lowest price we've seen to date. Available in five sizes for this same price, this hypoallergenic, antimicrobial, dust mite resistant topper provides pressure point relief and features a textured design for improved air flow. It is well reviewed with 4.5 out of 5 stars from over 395 buyers. There's no sales tax (except UT).