SilverRest Sleep Products Therapeutic 10" Inch HD Memory Foam Mattress with Cool AirFlow, Made with 3" of High Density Memory Foam, Full Size by SilverRest Sleep Products. $349.00. Full Size Therapeutic 10-inch Memory Foam Mattress with Cool AirFlow Layers. Made with 3-inches of quality 5.3lb High Density 100-percent Viscoelastic Memory Foam. 100% velour style cotton cover. It zips 4-ways for easy removal and cleaning. Anti-Microbial and Dust Mite Resistant. Respond...