Sleepers who enjoy sleeping cooler on a hybrid mattress that blends traditional springs with memory foam layers will love the Polaris Mattress. The Polaris AeroFlex Mattress combines super responsive and breathable AeroFlex latex, contouring CoolSync memory foam, and zoned pocket coils for targeted support. Tying everything together is the HyperChillTM cover, which offers an instant cooling effect. All MaloufTM mattresses arrive rolled and compressed in a box.