Serenity by Tempur-Pedic 3" Memory Foam Mattress Topper review

Serenity by Tempur-Pedic is the line Tempur-Pedic sells through Costco, and this 3-inch memory foam topper is the plain version without the cooling cover. Costco's listing says the foam adapts to your weight, shape and temperature, minimizes pressure points and reduces motion transfer so a partner's movement is less likely to wake you. The queen measures 80 by 60 by 3 inches and weighs 27.5 lbs, and the cover fits mattresses up to 17 inches deep and can be machine washed in cold water. It is made in the USA of domestic and imported components. Costco listed the queen at $159.99 on November 11, 2026, the same price as the Novaform ComfortLuxe Plus, and its queen listing showed 1,997 reviews averaging 4.2 out of 5. The listing does not state a warranty term, which is the main gap against Novaform's 10-year limited warranty.

Who it is for

Couples who want a Tempur-Pedic topper that cuts partner movement

Price

See vendor pricing (USD check pending).

US price check pending. See the vendor pricing page.

Key features

• 3 inches of memory foam that adapts to weight, shape and temperature
• Reduces motion transfer between sleep partners
• Cover fits mattresses up to 17 inches deep
• Made in the USA of domestic and imported materials
• Twin, Twin XL, Full, Queen, King and Cal King sizes

Strengths and weaknesses

• Strength: Tempur-Pedic brand topper at $159.99 for a queen on costco.com when checked
• Strength: Rated 4.2 out of 5 from 1,997 reviews on the Costco queen listing
• Strength: Queen weighs 27.5 lbs, a sign of dense foam
• Weakness: Costco's listing does not state a warranty length
• Weakness: Cover must be washed in cold water and tumble dried on low
• Weakness: No cooling feature on this version; the cooling model costs more

Key facts

• Thickness: 3 in
• Queen weight: 27.5 lbs
• Cover fit: Up to 17 in mattress depth
• Made in: USA (domestic and imported materials)
• Costco rating: 4.2 of 5 (1,997 reviews)

Where it ranks

Serenity by Tempur-Pedic 3" Memory Foam Mattress Topper is No. 2 in our Best Costco Mattress Toppers verdict.