Suggested Retail:$178. Linenspa Essentials AlwaysCool 8-inch Hybrid Mattress - Twin. Designed to elevate your bedroom and provide optimal comfort, this eight-inch mattress is just what you've been looking for. Perfect for your kid's room, the guest bedroom down the hall, and even the master bedroom, this mattress has a medium-firm feel great for back, side, and stomach sleepers. Plus, our unique hybrid design combines a layer of contouring Active Relief memory foam with a base of Dura Support steel coils for lasting comfort you'll love. Memory foam molds to your body while gel infusions work to keep you sleeping at a cool and comfortable temperature. With new technologies to enhance and protect your sleep, Linenspa Essentials is here to make sure comfort is always a top priority.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. PAID DELIVERY AND 7 DAY ALTERNATE PICK-UP ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.