GEL MEMORY FOAM. Nectar is a gel memory foam bed-in-a-box mattress designed for every kind of sleeper and helps distribute your weight and body heat around the mattress, so you don't sleep hot or feel lumps.FIVE LAYERS OF COMFORT. Soft & airy top layer of quilted cooling tencel mattress cover. Second layer of gel memory foam to distribute your weight. Add in an adaptive response transition layer that provides support to avoid the feeling of sinking into quicksand. Backed with a base layer to reinforce support. At the very bottom is a mattress cover to ensure that mattress slippage is not an issue!IDEAL SUPPORT FOR ANY POSITION. Optimal level of firmness, coolness, breathability, and comfort. Nectar molds to your body, relieving all your aches and pains. It is firm enough to support you, but soft enough to be gentle where you're sensitive. Even on those 90° nights, Nectar sleeps cool, gently regulating heat for an ideal temperature all night long.TWO FREE PREMIUM PILLOWS INCLUDED - And with every mattress purchase, you also receive two free Nectar Premium Pillows. They will be found within the mattress packaging. ($150 value)NECTAR FOREVER WARRANTY. We guarantee Nectar for as long as you own the mattress. Longest warranty in the business (we checked).