The Sunrising Bedding 11" euro top latex hybrid mattress is an upgrade version(softer) of our 10". Besides providing excellent motion isolation, less to no noise, and longer lifespans on average, the comfort top layers delivers a unique buoyant feeling that relaxes muscles, relieves tension, and alleviates aches and pains for sleepers. Made from the natural latex extracted from Malaysia rubber tree, this mattress is non toxins, zero odor and allergens, works well in dust mite prevention, molding and temperature regulation