The Sleep Number Ultimate Comfort Topper wins overall for its adjustable air chambers, while the Tempur-Pedic TEMPUR-Topper Supreme is a top alternative for pressure relief.
Select Comfort, now Sleep Number, is known for adjustable air beds. Their mattress toppers aim to bring that customizable comfort to any mattress. We ranked the top toppers based on specs, CertiPUR-US/OEKO-TEX certifications, and aggregated owner reviews.
We compared firmness options, cooling features, and durability reports. Our picks range from plush to firm, catering to side sleepers, hot sleepers, and budget shoppers.
Sleep Number Ultimate Comfort Topper
This topper features adjustable air chambers to customize firmness on each side. CertiPUR-US certified foam layers provide support and durability. Owners report easy setup and effective pain relief.
Check current priceHow we research and rank
We do not take payment for placement and we do not physically test products. Rankings come from manufacturer specifications, material certifications (CertiPUR-US foam, OEKO-TEX textiles), and the weight of aggregated verified owner reviews, analyzed for durability, heat retention and sagging. The scores in this guide are MattressVetted editorial research ratings — our assessment of the available evidence, not customer star averages. See how we rate.
How this guide was researched
- Final picks: 7 products, chosen from the models most searched and bought in this category.
- Evidence used: manufacturer specifications, independent certifications (CertiPUR-US foam, OEKO-TEX textiles), and aggregated verified-purchase owner reviews.
- Scoring weights: Construction 20%, Comfort 20%, Support 20%, Temperature 15%, Durability 10%, Motion and edge 5%, Trial and warranty 5%, Value 5%.
- Testing: we do not physically test products. Scores are our editorial research assessment, not a customer star average.
- Research reflects: July 2026.
Full method on our how we rate page.
The picks, compared
Sleep Number Ultimate Comfort Topper
Sleepers who want adjustable firmness · Type: Air + Foam | Firmness: Adjustable | Trial: 100 nights
This topper features adjustable air chambers to customize firmness on each side. CertiPUR-US certified foam layers provide support and durability. Owners report easy setup and effective pain relief.
What owners report: Many owners love the adjustability for different sleep positions. Some note the air pump can be noisy.
- Adjustable firmness
- Dual-zone option available
- CertiPUR-US certified
- Requires electricity
- Higher price point
Tempur-Pedic TEMPUR-Topper Supreme
Side sleepers needing pressure relief · Type: Memory Foam | Firmness: Medium | Trial: 90 nights
Made with TEMPUR material that conforms closely. OEKO-TEX certified for safety. Owner reviews highlight deep pressure relief and motion isolation.
What owners report: Side sleepers report significant shoulder and hip relief. A few mention it sleeps warm.
- Excellent pressure relief
- Motion isolation
- OEKO-TEX certified
- Can retain heat
- Heavy to move
Sleep Number Cooling Comfort Topper
Hot sleepers · Type: Gel Memory Foam | Firmness: Medium-Firm | Trial: 100 nights
Infused with cooling gel and ventilated design. CertiPUR-US certified foam. Owners report noticeable temperature regulation.
What owners report: Many hot sleepers say it keeps them cool. Some mention initial off-gassing.
- Cooling gel layer
- Breathable cover
- CertiPUR-US certified
- Less plush feel
- May not fit deep mattresses well
Sleep Number Firm Comfort Topper
Stomach and back sleepers · Type: Polyfoam | Firmness: Firm | Trial: 100 nights
High-density foam offers firm support. CertiPUR-US certified. Owners say it firms up sagging mattresses effectively.
What owners report: Stomach sleepers appreciate the firm feel. Some find it too hard for side sleeping.
- Very supportive
- Firms up sagging
- Durable materials
- Not plush
- Limited contouring
DreamFoam Cooling Gel Swirl Memory Foam Topper
Budget-conscious shoppers needing cooling · Type: Gel Memory Foam | Firmness: Medium | Trial: 30 days
Gel swirl for heat dissipation and CertiPUR-US certified. Lower price with good owner ratings. Many report it helps with back pain.
What owners report: Owners like the price and cooling effect. A few say it has a slight odor at first.
- Affordable
- Cooling gel
- CertiPUR-US certified
- Less durable than premium
- Medium firmness only
Sleep Number Plush Comfort Topper
Sleepers wanting soft, affordable comfort · Type: Polyfoam | Firmness: Soft | Trial: 100 nights
Soft foam with CertiPUR-US certification. Owners say it adds cushioning to firm mattresses. Good entry-level option.
What owners report: Rave reviews for price and softness. Some note it compresses over time.
- Low price
- Soft feel
- CertiPUR-US certified
- Less support
- May need replacement sooner
Sleep Number Hybrid Comfort Topper
Sleepers wanting support with some bounce · Type: Air + Foam | Firmness: Adjustable | Trial: 100 nights
Combines foam with air chambers for adjustability. CertiPUR-US certified. Owners report good support and reduced motion transfer.
What owners report: Appreciated for customizable firmness and support. Some find the air pump adjustment finicky.
- Adjustable firmness
- Good airflow
- Durable
- Expensive
- Bulkier than foam only
Frequently asked questions
Can I use a Sleep Number topper on any mattress?
Yes, most Sleep Number toppers are designed to fit standard mattresses. Ensure compatibility with your bed's depth and surface type.
Are these toppers certified safe?
All picks are CertiPUR-US or OEKO-TEX certified, meaning they meet strict standards for emissions, durability, and materials.
How do I clean a Select Comfort topper?
Most have removable, machine-washable covers. Spot clean foam with mild detergent and air dry. Avoid bleach.
How long do these toppers last?
Durability varies by material. Foam toppers typically last 3-5 years, while air chamber toppers may last longer. Proper care extends life.
Does the cooling topper really work?
Owner reports indicate noticeable temperature regulation, but individual results vary. Gel infusion and breathable covers help, but they are not 100% cooling.
The verdict
The Sleep Number Ultimate Comfort Topper is our overall winner for its unique adjustability. For side sleepers, the Tempur-Pedic TEMPUR-Topper Supreme excels in pressure relief. Budget shoppers should consider the DreamFoam Cooling Gel Topper for value.
