Brentwood 7" Gel Infused HD Memory Foam Mattress - 100% Made in USA - CertiPur Foam - 25-Year Warranty, Triple Layer, All-Natural Wool Sleep Surface and Bamboo Cover, RV Short King Size 72 x 80 x 7 Special RV Short King Size 72 x 80 x 7. 7-Inches thick with 1-Inch Gel Infused HD Memory Foam Comfort layer, 1-Inch Comfort Layer, and 5-Inch foam support base Millions of Particles are infused into the HD Memory Foam Layer to keep the mattress cooler and more comfortable than regular memory foam. Open cell technology allows air to flow through, keeping the mattress cool and comfortable. Zipper cover is made from natural bamboo fibers that is removable and washable. Conforms to the curves of your body for greater pressure relief and proper spinal alignment. Reduces tossing and turning, eliminates motion transfer, and provides a great nights sleep. Naturally anti-microbial, hypoallergenic, and dust mite resistant. Mattress compressed and rolled for shipping -- easy to carry and saves you money on shipping costs, 25-year warranty