Avocado mattress is a great option for anyone looking to buy an organic mattress without compromising on quality. This natural mattress is made up of multiple layers that help to reduce motion transfer. It also includes a thick layer wool. This organic cotton material also absorbs motion, and the individually wrapped coils help prevent the transfer of motion. Avocado mattress measures 13 inches thick. It is best for side sleepers. It is also available split California King sizes.