Mattress Topper Reviews > Memory Foam Mattress Topper Reviews Based on 38,517 Actual Consumer Experiences THE GOOD: Most popular mattress topper • often highly effective at improving mattress comfort • available in several varieties to suit personal need and preference. THE BAD: Potential for initial odor and heat retention • can be too firm for people under 120 lbs • somewhat difficult to move on / get up off • squishy feel possible • fairly heavy. THE COMPETITION: See how other topper types compare to memory foam in the topper comparison. Ratings show how the various memory foam topper varieties compare to the average mattress topper. Ratings indicate what tends to be true; ratings for a particular model or individual topper may vary. The table below compares toppers with 89% or better owner satisfaction based on at least 500 consumer experiences. * Memory foam density indicates howFor example, foam with 3.0 lb (or lbs/ft) density means that a cubic foot of this foam weighs three pounds.
See the above grid and memory foam density: low vs high to learn more about differences in density. ** Gel-infused memory foam tends to sleep about 25% cooler longer than regular memory foam all other things being equal. *** CertiPUR-US certified foam meets standards for content, emissions, performance and durability. Memory foam is made from polyurethane with additional chemicals to increase density. The foam is made up of millions of spherical shaped, open cells. What makes memory foam unique is its temperature and weight sensitivity. Memory foam mattress toppers should generally be expected to last about three to four years with regular use – a rate somewhat better than that of the average mattress topper. Memory foam toppers with higher density foam (4 lbs/ft or more) may last somewhat longer than those with lower density foam (3 lbs/ft or less). As the toppers age and wear, they tend to lose their resiliency and support. They may also discolor and tear.
Memory foam toppers often have warranty lengths of 2-5 years. Owner experience data suggests that the likelihood of successfully filing a warranty claim is low. Consumers, as a result, should probably not place much emphasis on warranty coverage when shopping. When unpackaged, memory foam can initially give off a gas or odor which can last from hours to weeks. Off gassing is the main complaint by memory foam topper owners as about 18% report the problem. Off gassing can be a small annoyance to some people and unbearable to others. Learn more about memory foam off gassing. There is often randomness as to whether and how much a memory foam mattress topper will off gas. However, owner experience data suggests that off gassing tends to correlate with topper thickness. * Off gassing lasting more than 24 hours. About 7% of memory foam topper owners – vs about 4% for the average mattress topper – report that their topper sleeps hot or, in other words, fails to disperse body heat resulting in an unnaturally warm sleep surface.
Thicker memory foam toppers tend to have more heat-related complaints than thinner varieties. This appears to be due to the fact that the sleeper often sinks further into thicker toppers where there is less air circulation. High density foam toppers may also increase the potential for heat retention. * Heat retention is enough to undermine sleep quality at least some of the time. Gel-infused memory foam tends to sleep about 25% cooler longer than regular memory foam – all other things being equal. Memory foam toppers can often be added to just one side of a bed to, in effect, provide different firmness and feel for each side. This can make a mattress more suitable for couples. Learn more on how to have a topper on one half of a mattress. Higher-density and thicker memory foam toppers can impact romantic activity. While they offer some advantages such as improved comfort, they also may reduce bounce and make movement more difficult and awkward. Learn more about the pros and cons of memory foam on this issue.
About this itemImportant Made in USA Origin Disclaimer:The Mainstays 1.5" Memory Foam Combo Mattress Topper is designed to offer you a restful night's sleep. It features a temperature-sensitive memory foam surface for contouring comfort. Its unique construction has thousands of geo-cut cells to relieve pressure points and give you a more comfortable night's sleep so you can wake up feeling refreshed. This memory foam mattress topper also contains a flexible urethane base for added support. For easy care and maintenance, the mattress topper is machine washable. It is available in twin, twin XL, full, Queen, and King Sizes. Mainstays 1.5" Memory Foam Combo Mattress Topper: Twin size measures: 72" x 34" x 1.5" Twin XL size measures: 76" x 34" x 1.5" Full size measures: 72" x 49" x 1.5" Queen size measures: 75" x 56" x 1.5" King size measures: 76" x 75" x 1.5" Layer of body-contouring memory foam Geo-cut cells to relieve pressure points Care: machine wash and dry 5-year limited warranty Made SpecificationsFill MaterialTypeRecommended LocationFeaturesConditionMaterialManufacturer Part NumberColorModelBrandAssembled Product Dimensions (L x W x