Swiss Ortho Sleep, 13" High-Density, 3 x Layered Gel & Memory Foam Mattress, w/Bamboo Cover A Phenomenal High-Quality 13" Inch 3 x Multi Layered Memory Foam Mattress. This Swiss Ortho Sleep is Temperature Sensitive, Body Forming Super High-Density Mattress with a 2" inch Layer of The Best Cooling Technology Gel for an Excellent Night's Sleep, Layers Include, 2" Inches of Cooling Memory Gel, 2" Inches of Heavy High Density Foam, and 9" Inches of Comfort Foam for The Ultimate in Relaxation. Our Super High-Density Memory Foam with Extra Long Lasting Cooling Memory Gel Provides an Incredible Combination for Superb Comfort. Comes in 4 Sizes of, Twin, Full, Queen and King, Mattress is Covered in Soft Knitted, Breathable & Removable White Bamboo Cover, Swiss Ortho Sleep Always Comes with a 10 Year Warranty, It is Delivered to you in an Easy and Convenient Compressed Packing.