Best King Size Mattress Toppers Updated May 2025

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Best King Size Mattress Toppers
2025 Buyer's GuideUpdated May 2025
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10.0

1

10.0

ViscoSoft 3 Inch Memory Foam Mattress Topper King - Select High Density - (Gel-Infused and Ventilated) Mattress Pad with Soft R...
Sizes: Twin, Twin XL, Full, Full XL, Queen, Short Queen, King, King, Short, CA King
Thickness: 2", 3", or 4"
Material: Gel-infused memory foam
Cover: Yes, washable
Compare
Picked by 493 people this week!
Picked by 493 people this week!

10.0

1
ViscoSoft 3 Inch Memory Foam Mattress Topper King - Select High Density - (Gel-Infused and Ventilated) Mattress Pad with Soft R...
Sizes: Twin, Twin XL, Full, Full XL, Queen, Short Queen, King, King, Short, CA King
Thickness: 2", 3", or 4"
Material: Gel-infused memory foam
Cover: Yes, washable

9.8

2

9.8

ViscoSoft 4 Inch Pillow Top Memory Foam Mattress Topper Queen - Cooling Hybrid Lux Dual Layer Mattress Pad - CertiPur-US Certif...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 3" or 4"
Material: Gel-infused memory foam & pillow top
Cover: Yes, washable

9.8

2
ViscoSoft 4 Inch Pillow Top Memory Foam Mattress Topper Queen - Cooling Hybrid Lux Dual Layer Mattress Pad - CertiPur-US Certif...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 3" or 4"
Material: Gel-infused memory foam & pillow top
Cover: Yes, washable

9.6

3

9.6

SafeRest 100% Waterproof King Size Mattress Protector - Fitted with Stretchable Pockets - Machine Washable Cotton Mattress Cove...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: Not indicated
Material: Cotton
Cover: Yes, washable

9.6

3
SafeRest 100% Waterproof King Size Mattress Protector - Fitted with Stretchable Pockets - Machine Washable Cotton Mattress Cove...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: Not indicated
Material: Cotton
Cover: Yes, washable

9.4

4

9.4

Sleep Mantra 100% Cotton Mattress Topper Twin XL Size - Premium Wrap-Around Cooling Topper Fits up to 20-Inch Mattress - Extra ...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 2"
Material: 300TC cotton top & down alternative fill
Cover: Yes, washable

9.4

4
Sleep Mantra 100% Cotton Mattress Topper Twin XL Size - Premium Wrap-Around Cooling Topper Fits up to 20-Inch Mattress - Extra ...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 2"
Material: 300TC cotton top & down alternative fill
Cover: Yes, washable

9.3

5

9.3

Sleep Mantra 100% Cotton Mattress Topper King Size - Premium Wrap-Around Cooling Topper Fits up to 20-Inch Mattress - Extra Sof...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 2"
Material: Down alternative fill
Cover: Yes, washable
Compare
Compare

9.3

5
Sleep Mantra 100% Cotton Mattress Topper King Size - Premium Wrap-Around Cooling Topper Fits up to 20-Inch Mattress - Extra Sof...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 2"
Material: Down alternative fill
Cover: Yes, washable

9.1

6

9.1

LINSY LIVING Queen Memory Foam Mattress Topper, 3 Inches, Cooling Gel, Ventilated Design, Removable Washable Cover, No-Slip, Qu...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 2", 3", or 4"
Material: Gel-infused memory foam
Cover: Yes, washable

9.1

6
LINSY LIVING Queen Memory Foam Mattress Topper, 3 Inches, Cooling Gel, Ventilated Design, Removable Washable Cover, No-Slip, Qu...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 2", 3", or 4"
Material: Gel-infused memory foam
Cover: Yes, washable

8.9

7

8.9

Extra Thick Mattress Topper King for Back Pain & Cloud-Like Sleep, Soft & Plush Mattress Pillow Top Bed Topper for Firm Mattres...
Sizes: Twin, Twin XL, Full, Full XL, Short Queen, Queen, King, CA King
Thickness: 2"
Material: Polyester top & down alternative gel-fiber fill
Cover: Yes, washable

8.9

7
Extra Thick Mattress Topper King for Back Pain & Cloud-Like Sleep, Soft & Plush Mattress Pillow Top Bed Topper for Firm Mattres...
Sizes: Twin, Twin XL, Full, Full XL, Short Queen, Queen, King, CA King
Thickness: 2"
Material: Polyester top & down alternative gel-fiber fill
Cover: Yes, washable

8.8

8

8.8

MATBEBY King Size Mattress Pad - Cooling Breathable Mattress Topper, Quilted Fitted Mattress Protector, Pillow Top Mattress Cov...
Sizes: Twin, Twin XL, Full, Full XL, Queen, Short Queen, King, RV King, CA King
Thickness: 1"
Material: Down alternative fill
Cover: Yes, washable

8.8

8
MATBEBY King Size Mattress Pad - Cooling Breathable Mattress Topper, Quilted Fitted Mattress Protector, Pillow Top Mattress Cov...
Sizes: Twin, Twin XL, Full, Full XL, Queen, Short Queen, King, RV King, CA King
Thickness: 1"
Material: Down alternative fill
Cover: Yes, washable

8.7

9

8.7

LINSY LIVING 3 Inch Mattress Topper Queen, Cooling Gel Infused Swirl Memory Foam, Soft Mattress Topper for Firm Mattress, Certi...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 2", 3", or 4"
Material: Gel-infused swirl memory foam
Cover: No
Compare
Compare

8.7

9
LINSY LIVING 3 Inch Mattress Topper Queen, Cooling Gel Infused Swirl Memory Foam, Soft Mattress Topper for Firm Mattress, Certi...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 2", 3", or 4"
Material: Gel-infused swirl memory foam
Cover: No

8.6

10

8.6

MASVIS King Size Dual Layer 4 Inch Memory Foam Mattress Topper, 2 Inch Gel Memory Foam and 2 Inch Cooling Pillow Top Mattress P...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 2"
Material: Gel-infused memory foam
Cover: Yes, washable

8.6

10
MASVIS King Size Dual Layer 4 Inch Memory Foam Mattress Topper, 2 Inch Gel Memory Foam and 2 Inch Cooling Pillow Top Mattress P...
Sizes: Twin, Twin XL, Full, Queen, King, CA King
Thickness: 2"
Material: Gel-infused memory foam
Cover: Yes, washable

Our Top Choice

10.0

1

10.0

ViscoSoft 3 Inch Memory Foam Mattress Topper King - Select High Density - (Gel-Infused and Ventilated) Mattress Pad with Soft R...
Sizes: Twin, Twin XL, Full, Full XL, Queen, Short Queen, King, King, Short, CA King
Thickness: 2", 3", or 4"
Material: Gel-infused memory foam
Cover: Yes, washable
Compare
Picked by 493 people this week!
Picked by 493 people this week!

10.0

1
ViscoSoft 3 Inch Memory Foam Mattress Topper King - Select High Density - (Gel-Infused and Ventilated) Mattress Pad with Soft R...
Sizes: Twin, Twin XL, Full, Full XL, Queen, Short Queen, King, King, Short, CA King
Thickness: 2", 3", or 4"
Material: Gel-infused memory foam
Cover: Yes, washable

Compare Features

Thickness
Best Mattress Topper
1. ViscoSoft Memory Foam Mattress Topper - King
VISCOSOFT Preview VISCOSOFT Preview
VISCOSOFT
at Amazon
2. Viscosoft Serene Hybrid Memory Foam Mattress Topper
VISCOSOFT Preview VISCOSOFT Preview
VISCOSOFT
at Amazon
Popular
3. SafeRest Premium Mattress Protector
SAFEREST Preview SAFEREST Preview
SAFEREST
at Amazon
Best Value
4. Sleep Mantra Cooling Mattress Topper
SLEEP MANTRA Preview SLEEP MANTRA Preview
SLEEP MANTRA
at Amazon
5. Sleep Mantra Cooling Mattress Topper
SLEEP MANTRA Preview SLEEP MANTRA Preview
SLEEP MANTRA
at Amazon
6. Linsy Living Gel Memory Foam Mattress Topper
LINSY Preview LINSY Preview
LINSY
at Amazon
7. D & G The Duck & Goose Extra Thick Mattress Topper
DUCK & GOOSE CO. Preview DUCK & GOOSE CO. Preview
DUCK & GOOSE CO.
at Amazon
8. MATBEBY Mattress Pad
MATBEBY Preview MATBEBY Preview
MATBEBY
at Amazon
9. Linsy Living Swirl Memory Foam Mattress Topper
LINSY Preview LINSY Preview
LINSY
at Amazon
10. MASVIS Memory Foam Mattress Topper
MASVIS Preview MASVIS Preview
MASVIS
at Amazon
Deal
Save 23% Save 28% Save 20% + 20% Coupon Save 13% Save 7% + 5% Coupon Save 10% Save 20% Save 5% Save 16%
Deal Save 23% Save 28% Save 20% + 20% Coupon Save 13% Save 7% + 5% Coupon Save 10% Save 20% Save 5% Save 16%
Sizes
Twin, Twin XL, Full, Full XL, Queen, Short Queen, King, King, Short, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Full XL, Short Queen, Queen, King, CA King Twin, Twin XL, Full, Full XL, Queen, Short Queen, King, RV King, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Queen, King, CA King
Sizes
Twin, Twin XL, Full, Full XL, Queen, Short Queen, King, King, Short, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Full XL, Short Queen, Queen, King, CA King Twin, Twin XL, Full, Full XL, Queen, Short Queen, King, RV King, CA King Twin, Twin XL, Full, Queen, King, CA King Twin, Twin XL, Full, Queen, King, CA King
Thickness
2", 3", or 4" 3" or 4" Not indicated 2" 2" 2", 3", or 4" 2" 1" 2", 3", or 4" 2"
Thickness
2", 3", or 4" 3" or 4" Not indicated 2" 2" 2", 3", or 4" 2" 1" 2", 3", or 4" 2"
Material
Gel-infused memory foam Gel-infused memory foam & pillow top Cotton 300TC cotton top & down alternative fill Down alternative fill Gel-infused memory foam Polyester top & down alternative gel-fiber fill Down alternative fill Gel-infused swirl memory foam Gel-infused memory foam
Material
Gel-infused memory foam Gel-infused memory foam & pillow top Cotton 300TC cotton top & down alternative fill Down alternative fill Gel-infused memory foam Polyester top & down alternative gel-fiber fill Down alternative fill Gel-infused swirl memory foam Gel-infused memory foam
Cover
Yes, washable Yes, washable Yes, washable Yes, washable Yes, washable Yes, washable Yes, washable Yes, washable No Yes, washable
Cover
Yes, washable Yes, washable Yes, washable Yes, washable Yes, washable Yes, washable Yes, washable Yes, washable No Yes, washable

Mattress Topper Buyer's Guide



Navigating the many choices for every purchase can be challenging. Our team spends hours doing research on every product under the sun, and we summarize that information in clear, precise comparisons. Our top pick is based on the factors that are important to our readers, the most popular products in each category, and our data-driven analysis of all the options. We do our best to give you all the information you need to make the right purchase in one place.


Trusting Our Top Pick



132
Models
Evaluated

22
Topics
Considered

49
Hours of
Research

536
Purchases
Analyzed



Our recommendations are based on expert comparisons between available products in each category. We choose the topics that we think matter most to our readers, and provide concise, clear comparisons of the features that matter. Our rankings change day-to-day based on new data and shopping trends, so we can identify top-performing products and tailor our recommendations to exactly what our readers are looking for.