The Alder Latex MediumThe middle of our three Latex mattresses. The tension most sleepers actually want, and the one most couples agree on. The Alder gives you the same responsive, cool sleeping latex character as the Linden, with more underlying support. Underneath the latex comfort layer is a base of 2,150 individually pocketed springs, almost twice as many as the Linden, set tightly enough to hold the body level whatever position you sleep in. This is the tier we'd