Using a pad on top of your mattress, helps protect your mattress from sweat, spills, etc. It also adds a layer of softening. Choose from the Plush Pad with wool woven onto organic cotton batting; 3/4" or 1.5" wool fill with organic cotton damask outer; organic cotton quilted pads; organic wool moisture pads. On any mattress, we recommend at least our organic wool moisture pad and our organic cotton quilted pad.