The mattresses on this website were designed specifically with the intention of providing comfort and durability for all walks of life. Changing materials inside the mattress can result in a totally different feel and/or decrease in quality. Therefore, we tend to shy away from substituting materials. However, we will do everything we can to accommodate the needs of our customers. There are some restrictions as to what we can and cannot do, but feel free to contact us and we can discuss possible options.