King Foam Mattress Topper

Upgrade your sleep experience with a King Foam Mattress Topper, designed to add an extra layer of comfort and support to your existing mattress. Perfect for king-size beds, these toppers enhance the feel of your sleeping surface while helping to extend the life of your mattress. Explore a variety of options to find the ideal King Foam Mattress Topper that fits your preferences and transforms your bedroom into a restful retreat.

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Sleepy's 3" Gel Memory Foam Mattress Topper

306

Starting at

$190⁹⁹

$270⁹⁹

$80 OFF

Medium Comfort,

Temperature

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5223

Starting at

$387⁹⁹

$1020⁹⁹

$633 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Tulo Lavender 10" Medium Plush Memory Foam Mattress

714

Starting at

$510⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Tulo Lavender 6" Firm Memory Foam Mattress

212

Starting at

$400⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn
Pain
Temperature

Tulo Lavender 12" Plush Memory Foam Mattress

622

Starting at

$590⁹⁹

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Temperature

Nectar Premier 13" Medium Memory Foam Mattress

157

Starting at

$1099⁰⁰

$1799⁰⁰

$700 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Nectar Classic 12" Firm Memory Foam Mattress

139

Starting at

$849⁰⁰

$1399⁰⁰

$550 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Bed Partner
Temperature

Nectar Luxe 14" Medium Memory Foam Mattress

183

Starting at

$1499⁰⁰

$2249⁰⁰

$750 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Tempur-Pedic TEMPUR-Cloud Mattress Topper

300

Starting at

$229⁰⁰

$249⁰⁰

$20 OFF

Medium Comfort,

Temperature
Allergies

Tulo Gel Memory Foam Zoned Support Mattress Topper

102

Starting at

$81⁹⁹

$120⁹⁹

$39 OFF

Medium Comfort,

Temperature

Sleepy's 4" Reversible Gel Memory Foam Topper

Starting at

$300⁹⁹

Medium Comfort,

Temperature
Allergies

Tempur-Pedic TEMPUR-Adapt + Cooling Mattress Topper

3407

Starting at

$399⁰⁰

$499⁰⁰

$100 OFF

Medium Comfort,

Temperature
Allergies

Sleepy's Basic Memory Foam Firm Mattress

2594

Starting at

$300⁷⁷

$1000⁹⁹

$700 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Support
Temperature

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1216

Starting at

$1300⁹⁹

$2000⁹⁹

$700 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Toss and Turn
Pain

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

5223

Starting at

$338⁹⁹

$890⁹⁹

$552 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5223

Starting at

$293⁹⁹

$810⁹⁹

$517 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Beautyrest BR800 12" Plush Euro Top Mattress

595

Starting at

$570⁹⁹

$1400⁹⁹

$830 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner

Tulo Bamboo 6" Firm Green Tea Memory Foam Mattress

5226

Starting at

$232⁹⁹

$730⁹⁹

$498 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn
Pain
Temperature

Tulo Lavender 8" Medium Memory Foam Mattress

457

Starting at

$460⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Serta Perfect Sleeper Elkins III 11" Plush Euro Top Mattress

1590

Starting at

$576⁹⁹

$1200⁹⁹

$624 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Toss and Turn

Stearns & Foster Studio 14.5" Medium Euro Pillow Top Mattress

104

Starting at

$2599⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner
Pain
Temperature

Stearns & Foster Lux Estate 16" Medium Euro Pillow Top Mattress

1271

Starting at

$4399⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner
Pain
Temperature

Receive $300 Instant Gift⁴ with purchase.

Stearns & Foster Reserve 17" Firm Euro Pillow Top Mattress

407

Starting at

$6099⁰⁰

Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner
Pain
Temperature

Receive $300 Instant Gift⁴ with purchase.

Sierra Sleep Ashley Chime 10" Memory Foam Mattress

105

Starting at

$400⁹⁹

$1425⁹⁹

$1025 OFF

Medium Comfort, best for

Side;Back;Stomach Sleepers
Pain
Bed Partner
Toss and Turn

Pressuresmart MF 13" Plush Mattress

100

Starting at

$2300⁹⁹

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest Black Hybrid Series Four 16" Firm Apex Top Mattress

Starting at

$6199⁰⁰

Firm Comfort,

Pain
Bed Partner
Temperature

$300 ⁶ adjustable base instant gift with purchase.

King Foam Mattress Topper

A king foam mattress topper can be a simple yet transformative addition to your bedroom, instantly enhancing the comfort and support of your existing mattress. As the nights grow cooler in September and the shift in seasons brings a desire for cozier sleep, many people find themselves searching for ways to refresh their sleep environment without the investment of a brand-new mattress. Foam toppers, especially in king size, offer a practical solution—adding a plush, contouring layer that adapts to your body’s unique curves while providing pressure relief in all the right places. Whether you’re looking to soften a mattress that feels too firm or extend the life of an older bed, a king size foam mattress topper can create a noticeable difference in sleep quality. Couples especially appreciate the extra space and motion isolation that king-sized toppers provide, helping both partners enjoy uninterrupted rest even if one is a restless sleeper.

These toppers are also a thoughtful gift for newlyweds setting up their first home, parents seeking added comfort, or anyone who might be recovering from an injury and needs more support during sleep. In guest rooms, a king foam mattress topper can elevate the experience for visitors, turning a standard mattress into a luxurious retreat. The versatility is unmatched: foam toppers are easy to roll up and transport, making them ideal for those who move frequently or want to refresh a vacation home’s bedding. When shopping for a king size foam mattress topper, consider the thickness and density, as these factors influence how much support or cushioning you’ll feel. Some people prefer a denser topper for extra support, while others love a softer, more cloud-like feel. Breathability is another important aspect—look for toppers with ventilated designs or cooling features if you tend to sleep hot, especially as the remnants of summer heat linger into early fall.

Care and maintenance are straightforward, with most toppers featuring removable, washable covers to help keep your sleep surface fresh. Rotating the topper every few months can help maintain its shape and performance over time. For allergy sufferers, hypoallergenic materials can provide peace of mind and a healthier sleep environment. As you browse the selection, imagine sinking into a bed that feels brand new, the foam gently cradling your body and reducing pressure on your shoulders, hips, and back. Whether you’re seeking relief from aches, upgrading guest accommodations, or simply looking to add a touch of indulgence to your nightly routine, a King Size Foam Mattress Topper is a versatile solution that adapts to your needs and enhances your sleep experience in every season.