This luxurious mattress features a 3-inch chemical-free wool wrap that enhances comfort while providing excellent orthopedic firm support. Perfect for those seeking the finest quality and a traditional innerspring structure, it is approximately 9.5 inches thick. Crafted with meticulous attention to detail, this model is our best seller, appealing to individuals with allergies to latex or those sensitive to chemicals, as it contains no chemical flame retardants. Instead, the wool serves as a natural flame retardant, ensuring a healthier sleeping environment.