Best King Size Mattress Toppers

The Helix GlacioTex Premium Mattress Topper – Luxury Plush has a unique design that combines the cradling of foam with the responsiveness of coils. The result is a topper that should appeal to fans of foam while offering a hint of pushback that you won’t find in conventional foam models.

The topper features two layers of foam with a thin microcoil layer sandwiched in between. The top foam layer offers excellent motion isolation and strong cushioning, which helps ease pressure off sensitive joints, while the coils give the surface a slightly buoyant feel that keeps the body from sinking too deep. The bottom foam layer is denser than the top layer, so you won’t feel too hugged by the topper despite its thick profile and mostly foam composition. With its 3.75-inch profile, this topper may drastically adjust the feel of your bed.

Side sleepers on our test team gave the Helix GlacioTex Premium Mattress Topper – Luxury Plush high marks, due in large part to strong pressure relief in the shoulders and hips. Back sleepers up to 230 pounds and stomach sleepers under 130 pounds enjoyed the even balance of support and cushioning. Given the wide array of sleepers this topper appeals to, it’s a great fit for co-sleepers who have differing preferences when it comes to sleep surfaces.

Helix offers a 100-night sleep trial so that you can test the topper in your own bed. Shipping is free to all 50 states and you’ll also receive a one-year warranty.

The Silk & Snow Organic Mattress Topper is a latex topper that offers an even balance of cushioning and support. It’s a good fit for side sleepers seeking a topper that cradles the shoulders and hips while supporting the lower back area.

The topper measures 2 inches thick and is composed of GOLS-certified organic Dunlop latex encased in a GOTS-certified organic cotton cover. Shoppers can pick between two firmness options, medium (5) and firm (7). The medium feel offers closer contouring and excels at pressure relief, while the firm is better suited for those who need stronger support. Regardless of the firmness level you choose, the latex has a bouncy feel that moderately cushions your body.

Between the two firmness options, most sleepers should find a topper that suits their needs. Side sleepers may prefer the medium topper, since the firmer option may cause excessive pressure buildup in the shoulders and hips, while back and stomach sleepers might gravitate toward the firm option. Hot sleepers will sleep comfortably on this topper, due to the natural breathability of latex.

Silk & Snow offers free shipping to locations in the contiguous U.S. and all Canadian provinces. The topper comes with a 100-night sleep trial as well as a 3-year warranty for the latex component and 1-year warranty for the cover.

A high-quality memory foam topper can be a worthwhile investment if your uneven mattress causes nightly aches and pains — but many of these models are on the expensive side. The Puffy Deluxe Mattress Topper is a notable exception. Crafted from 2.5 inches of solid memory foam, the topper is thick enough to improve the feel of a mattress with light to moderate wear and tear, but a reasonable price-point and free shipping throughout the contiguous U.S. make it a solid option for shoppers with limited budgets.

The topper is available in two firmness levels. Those who want close contouring should opt for the soft (3) feel. Our testing shows this design is most comfortable for side and back sleepers weighing less than 130 pounds. If you need more support from your sleep surface, the firm (7) feel is a better bet. This design provides light cushioning and sturdy reinforcement for back and stomach sleepers weighing at least 130 pounds.

All versions of the topper are encased in covers made from a blend of polyester and rayon derived from bamboo. The latter material is highly breathable and has moisture-wicking properties to keep you dry at night. The cover features an elasticated border with 15-inch corner pockets, allowing you to secure the topper to your mattress without much fuss. The base has a grooved surface intended to create traction and prevent the topper from slipping and sliding when you change positions or toss and turn.

The cover can be removed and machine washed whenever a cleaning is needed. Puffy allows you to test the topper for up to 101 nights before deciding whether to return it or keep it. If you decide on the latter, you’ll receive a lifetime warranty covering structural defects for as long as you retain original ownership. Shipping is free to all 50 states.

People who experience pressure point discomfort can often benefit from adding a contouring topper to their current mattress. The TEMPUR-Topper Supreme from Tempur-Pedic is a 3-inch memory foam topper that provides substantial cushioning. The TEMPUR foam material compresses under your body weight, contouring closely to its shape. This model’s medium feel is best suited to side and back sleepers, as it may sink too deeply for stomach sleepers.

This topper is also an excellent pick for couples, especially those who toss and turn. When placed on top of your existing mattress, the memory foam works to isolate any motion you produce, stopping disturbances from reaching your partner’s side of the bed. In addition to movement, memory foam also absorbs heat. However, adding this topper is unlikely to significantly change your mattress’ overall temperature regulation.

Each topper comes with a removable and washable cover that helps protect the memory foam. Our in-house testing found that this model is likely to last, though it’s also covered by a 10-year warranty. Tempur-Pedic ships its TEMPUR-Topper Supreme for free to customers in the contiguous U.S.

As your mattress ages and becomes less adaptive, you may notice more pressure buildup in your shoulders, back, and hips while you sleep. The right topper can make a significant difference in your night-to-night comfort. Our team was particularly impressed with the Nolah Mattress Topper’s even contouring and weight distribution, two key characteristics for alleviating pressure. The topper contains AirFoam, a proprietary material that conforms to the body much like traditional memory foam without hugging too tightly or retaining an excessive amount of body heat.

You can choose from two firmness levels based on your sleep position and body type, as well as the wear and tear level of your mattress. The medium soft (4) design provides deep cushioning, making it best suited to side and back sleepers under 130 pounds. You can also use this topper on mattresses with moderate wear and tear. If you sleep on your back or stomach and weigh 130 to 230 pounds, the medium firm (6) model should provide adequate support. Side sleepers on our team over 230 pounds also enjoyed this design. 

A cover made of breathable organic cotton encases the foam. Each corner features a thick elastic strap you can use to secure the topper to your sleep surface. This helps prevent shifting when you change sleep positions or toss and turn. The straps can be used with any mattress between 10 and 15 inches thick. If your mattress falls outside this range, you can still use the topper, albeit without the straps.

Nolah offers free ground shipping throughout the contiguous U.S. Your order includes a sleep trial that spans 30 nights in length. If you decide to keep the Nolah Mattress Topper after the trial period ends, you’ll receive a manufacturer’s warranty that covers various material and structural defects for up to 10 years.

If your mattress is near the end of its lifespan and the sleep surface has developed deep impressions, you’re likely to experience sharp pressure points in your shoulders, lower back, and hips. Brooklyn Bedding’s Microcoil Mattress Topper is designed to deeply cushion and contour to your body, creating a cloud-like cradle that alleviates pressure buildup along the spine. The innovative construction includes a transitional layer composed of pocketed microcoils, so you shouldn’t sink too much.

The microcoils are sandwiched between a top layer of adaptive polyfoam and a bottom layer of dense base foam. These materials respond to your movement, creating a light bounce when you get into bed, but you and your partner shouldn’t notice excessive motion transfer. A generous 3.5-inch profile ensures your sleep surface will feel noticeably different with the topper in place. Another notable component is the cover, which is composed of GlacioTex fabric engineered to dissipate body heat and feel cool to the touch at all times.

After hands-on tests conducted in our lab, we’re recommending the topper to side and back sleepers up to 230 pounds. The medium (5) feel and sturdy support should promote even alignment and minimize pressure points for those who meet these body type and sleep position criteria. Stomach sleepers on our team weighing less than 130 pounds also felt comfortable on the topper. Performance testing highlights include consistent motion isolation and excellent temperature control. The topper does not have corner straps, so you’ll need to tuck it beneath your fitted sheet to prevent shifting during the night.

The Microcoil Mattress Topper is available in seven sizes, including a split California king for couples who use adjustable beds in this size. Although the sticker price is on the expensive side, Brooklyn Bedding offers free ground shipping throughout the contiguous U.S. Your order comes with a 30-night trial period. If you keep the topper after the trial ends, it’s backed by a three-year warranty against manufacturing defects.

PlushBeds has earned a solid reputation for luxuriously crafted sleep products composed of natural materials. The Quilted Organic Latex Topper nicely exemplifies the brand’s commitment to quality and sustainable production. Measuring 4 inches thick, the topper contains a top layer of organic wool batting and a solid organic latex base. These materials are not only green but also naturally breathable and long-lasting. An organic cotton cover completes the eco-friendly design.

Since the topper has such a tall profile, it should improve the feel of any mattress — even one with deep impressions or indentations. You can choose from two firmness levels. The medium (5) feel provides gentle conforming and pressure relief, making it ideal for side and back sleepers between 130 and 230 pounds. The firm (7) feel offers less cushioning and more support, so sleepers weighing more than 230 pounds can lie comfortably without sinking too much around the midsection.

The topper is fairly hefty, coming in at 69 pounds for the king size model. This helps ensure it won’t slip around too much during the night. The latex has earned certification from the Global Organic Latex Standard, a leading worldwide authority for sustainably produced latex, while the wool and cotton hold certifications from the similarly structured Global Organic Textile Standard.

In addition to the standard king size, you can opt for a split king if you and your partner have different firmness preferences. The Quilted Organic Latex Topper’s expensive price-point reflects its high-quality design, but PlushBeds ships free of charge to customers in all 50 states. The company does not permit returns, so all sales are final, but you’ll receive a 5-year manufacturer’s warranty against structural defects with your purchase.

Saatva offers three mattress toppers to choose from, each one composed of a different material that caters to certain types of sleepers based on factors like body type and sleep position. With a 3-inch profile, the “Graphite” topper is the thickest option. This model contains a top layer of memory foam infused with cooling graphite, followed by a second layer of high-density foam that serves as a supportive base.

The feel is medium soft (4) and the foam layers conform very closely, so side and back sleepers weighing 230 pounds or less should find the topper particularly comfortable. This topper also earned high marks for temperature control, as the graphite infusion helps offset heat absorption from the foam. A breathable organic cotton cover encases the topper for added cooling. Elastic corner bands on the cover help keep the topper in place and prevent shifting when you change positions or toss and turn.

In addition to the Graphite Mattress Topper, Saatva offers latex and high-density polyfoam toppers. The company also provides free ground shipping anywhere in the contiguous U.S. You’ll receive a 180-night sleep trial and one-year warranty with your purchase.

The Birch Organic Mattress Topper is constructed using eco-friendly materials. Solid Talalay latex forms the core for a balance of cushioning and responsiveness, which may be more comfortable for those who dislike the deep body hug of memory foam. The cover is composed of organic cotton, and two layers of organic wool batting provide extra padding beneath the surface. These components are not only sustainably sourced but also exceptionally durable, giving the topper a longer-than-average lifespan.

Measuring 3 inches thick with a medium (5) feel, the topper is best suited to older mattresses with deep impressions. The thick profile coupled with deep cushioning should improve the comfort level of your mattress by a significant extent. Hot sleepers can also benefit from using this topper. The latex is ventilated to promote steady air circulation throughout the interior, the organic cotton is very breathable, and the wool has moisture-wicking properties to keep you dry and comfortable on humid nights.

Customers in all 50 states qualify for free ground shipping when they order the Birch Organic Mattress Topper. Purchases also include a 100-night sleep trial, and those who choose to keep their topper receive a 10-year warranty against structural defects.

Long-lasting toppers with approachable price-points can be hard to come by, but the ViscoSoft Select High Density Mattress Topper manages to be both durable and affordable. Composed of high-density memory foam – a material that often withstands sagging and shape loss over time – the topper offers a 3-inch profile and medium (5) feel with close body-contouring. This design should lead to major comfort adjustments if your mattress is exceptionally saggy or uneven.

The foam provides plush cushioning for the shoulders and hips, which can improve alignment issues and reduce pain for side sleepers, but the dense composition also allows the topper to support back sleepers without sinking around the midsection. Since the foam absorbs motion very well, the topper may also be a good option for couples – especially if their mattress has a responsive surface that disrupts sleep.

The topper is encased in a cover made of breathable rayon derived from bamboo, which has cooling properties and a luxuriously soft hand-feel. The cover’s anti-slip bottom creates traction on your mattress surface, and each corner has an elastic strap for securing the topper to your mattress. Thanks to these features, combination sleepers who constantly change positions and people who toss and turn won’t need to worry about the topper shifting or sliding too much.

In addition to standard models, customers can choose from two special versions of this topper. One design is infused with active charcoal intended to boost the topper’s breathability and also add an extra measure of antimicrobial protection. The other is treated with lavender, which many people use as a relaxant to promote sleepiness leading up to bedtime.

Ground shipping is free of charge for all orders in the contiguous U.S. ViscoSoft backs the Select High Density Mattress Topper with a 60-night trial and return period, as well as a 5-year warranty against material defects.