Organic cotton is naturally softer than regular cotton. This allows for more cooling and breathability. To prevent motion transfer, the Avocado Eco Organic Mattress has an inch of quilted organic sheep wool on its cover. This material is also a fire retardant and replaces toxic chemicals used in fire-retardant foams. Avocado mattresses are the best for comfort and support. Avocado Eco Organic Mattress is a cooler and more comfortable option for you to sleep.