The very top layer of the padding layers inside the mattress, usually made from foam and/or fibers stitched together and attached to the bottom of the ticking. It can provide additional cushioning but mainly is serves as a breathable insulating layer of the mattress. Quilting could be also referred to a process of stitching the quilting layer together with the ticking and the rest of padding layers. Different type of quilting can be used when finishing the very top of the mattress – multi-needle and single-needle stitching, tack and jump quilting.