This 100% natural latex mattress is natures pick for support. Latex's natural antimicrobial properties inhibits dust mites, mold and mildew which is beneficial for allergy sufferers. Latex utilizes pinhole construction for natural insulation and ventilation. The top layer of wool also acts as regulator for you body temperature. As with memory foam latex foam disperses the bodies weight evenly over the surface of the mattress thereby relieving pressure points that cause discomfort and lead to tossing and turning. 20 year limited warranty