Enhance your sleep with the Linenspa Essentials Zoned Memory Foam Mattress Topper. Using a specialized ActiveRelief™ memory foam formula and an innovative zoned design, this topper works to relieve pain at the neck, back, hips, knees, and ankles. While memory foam works to properly align the spine, AlwaysCool™ infusions help maintain a cool and comfortable sleep temperature. This topper will prolong the life of your mattress, turn a hard mattress into a comfortable bed, and change the way you sleep instantly. With new technologies to enhance and protect your sleep, Linenspa Essentials is here to make sure comfort is always a top priority. Size: Twin XL.