What Is a Mattress Topper? Types, Benefits & How to Choose
A mattress topper is a removable layer of cushioning that sits on top of your mattress, under your fitted sheet, and changes how your bed feels. Think of it as a comfort upgrade you can add or remove at will: it can make a too-firm bed softer, add support to one that's sagging, or refresh a mattress that's lost some of its original feel—all without the cost of a whole new bed. If you've ever wondered whether a topper is worth it, here's exactly what it does and how to choose one.
What a Mattress Topper Actually Does
A topper's job is to adjust the top comfort layer of your sleep surface. Because it sits closest to your body, it has an outsized effect on how the bed feels even though it doesn't change the mattress's internal support. A topper can add plushness and pressure relief, add firmness and support, improve temperature regulation with cooling materials, or extend the life of an aging mattress by taking on wear the mattress would otherwise absorb. What it can't do is repair a structurally failing mattress—a broken coil or deep sag needs a real replacement, which you'll find in our toppers and full mattress collections.
Topper vs. Mattress Pad vs. Protector
These three often get confused. A topper is thick (usually 2–4 inches) and meaningfully changes the feel of your bed. A mattress pad is thinner, adding light cushioning and often a bit of protection. A mattress protector is a thin, usually waterproof cover that guards against spills and allergens but doesn't change comfort at all. If your goal is to change how the bed feels, you want a topper. For a deeper comparison, see our guide on the difference between mattress pads and toppers.
The Main Types of Mattress Toppers
Memory foam
The most popular type. Memory foam contours closely to your body, relieving pressure at the hips and shoulders—great for side sleepers and anyone with pressure-point pain. It's the same material used in our memory foam mattresses, just in a removable layer.
Latex
Latex offers contouring with more bounce and a cooler, more responsive feel than memory foam. It's naturally durable and a good pick if you dislike the "sinking" sensation of foam.
Feather and down
Plush and luxurious, feather toppers add a soft, cloud-like layer. They're cozy but offer less support, so they're best for people who already have a supportive mattress and just want extra softness.
Gel and cooling foam
Gel-infused and open-cell foams add pressure relief while sleeping cooler than standard memory foam—a real plus for hot sleepers, especially through a warm LA summer.
Firm support toppers
High-density firm foam does the opposite of a plush topper: it adds support to a bed that's gone too soft, helping keep your spine aligned.
How to Choose the Right Topper
Start with what you want to change. If your bed feels too hard, choose a softer memory foam, latex, or feather topper for cushioning. If it feels too soft or sags slightly, choose a firm high-density topper for support. If you sleep hot, prioritize gel or latex for temperature regulation.
Then factor in your sleep position: side sleepers usually want a softer, thicker topper (2–3 inches) to cushion the shoulder and hip, while back and stomach sleepers do better with a firmer, thinner topper that keeps the hips from sinking. Finally, consider thickness—2 inches for a subtle change, 3–4 inches for a dramatic one. If back pain is your main concern, our guide to the best mattress topper for back pain breaks down the ideal firmness and thickness in detail.
Feel It Before You Buy in LA
Comfort is personal, and a topper that feels perfect to one person feels wrong to another. At our five Los Angeles showrooms you can compare foam, latex, and cooling toppers in person, with same-day delivery across the city and a free 120-night comfort guarantee so you can be sure it's right at home.
Frequently Asked Questions
What does a mattress topper do?
A mattress topper adjusts the comfort layer of your bed. Depending on the material, it can make a firm mattress softer, add support to a sagging one, help you sleep cooler, or extend the life of an aging mattress—all without replacing the mattress itself. It doesn't change the mattress's internal support core.
How do I choose a mattress topper?
Start with what you want to change: pick a soft foam, latex, or feather topper to add plushness, or a firm high-density topper to add support. Then match it to your sleep position (softer and thicker for side sleepers, firmer and thinner for back and stomach sleepers) and choose a thickness—2 inches for a subtle change, 3 to 4 inches for a bigger one.
How do you keep a mattress topper from sliding?
Use a fitted sheet stretched tightly over both the topper and mattress to hold it in place, add a non-slip grip pad or rug underlay between the topper and mattress, or choose a topper with an elastic anchor band or skirt. Keeping the mattress surface clean and dust-free also helps it grip better.
Can you wash a mattress topper?
It depends on the material. Foam and latex toppers should not go in a washing machine—spot-clean them with mild soap and water and let them air dry fully. Feather and down toppers, and any topper with a removable cover, can often be machine washed; always check the care label first.
Is a mattress topper worth it?
If your mattress is structurally sound but feels too firm, too soft, or too warm, a topper is a very cost-effective fix compared with a new mattress. If the mattress is sagging or broken down internally, a topper is only a temporary patch and a replacement is the better long-term choice.
Not sure whether you need a topper or a new mattress? Take our quick sleep quiz and we'll help you find the right fit.
