Short answer: yes, for most people. A good mattress protector doesn't change how your bed feels — but it protects a significant investment from stains, moisture, allergens, and wear that can void your warranty and shorten your mattress's life.
Here's what you need to know to decide if you need one, and what kind to get.
A mattress protector is a thin cover that fits over your mattress like a fitted sheet. It sits between the mattress and your bed sheets, creating a barrier against:
A protector doesn't significantly change how a mattress feels. Most quality protectors are thin enough to be barely noticeable.
| Product | Primary Purpose | Changes Feel? | Waterproof? |
|---|---|---|---|
| Mattress Protector | Protects from moisture, stains, allergens | Minimally | Usually yes |
| Mattress Pad | Adds a thin layer of softness/comfort | Slightly | Sometimes |
| Mattress Topper | Changes firmness or feel significantly | Yes | Rarely |
If your goal is protection, get a protector. If your mattress is too firm, get a topper. If you want a slight softness boost with some protection, a mattress pad can do both — but it won't protect as thoroughly as a dedicated protector.
You should seriously consider one if you:
You might be fine without one if you:
Realistically, most people benefit from a protector. They're inexpensive relative to the cost of replacing a stained or damaged mattress.
The most common type. A breathable fabric top layer sits over a waterproof backing (usually polyurethane). These block liquid from reaching the mattress while still allowing airflow. Most are machine washable.
Unlike standard protectors (which cover just the top and sides), encasements fully enclose the mattress with a zipper. They're more effective at blocking dust mites and allergens — and also the best option for bedbug protection. More difficult to put on and remove but offer complete coverage.
Made with moisture-wicking or phase-change materials to help regulate temperature. Good option if you sleep hot and want protection without adding warmth.
This is the part people often overlook: most mattress warranties are voided by stains. Not just spills — sweat stains count too. Manufacturers use stains as evidence that the mattress was misused or stored improperly, which gives them reason to deny warranty claims.
If you spent $800+ on a mattress with a 10-year warranty, a $40 protector is a no-brainer. It keeps the warranty intact and extends how long the mattress performs at its best.
Browse our selection of mattress protectors — we carry options for every mattress size and sleep preference. If you have questions, our team at any of our LA Mattress Store locations can help you find the right fit.
For most people, yes. It protects your mattress from moisture, stains, and allergens — and keeps your warranty valid. The cost is small compared to what a mattress costs to replace.
A quality protector is thin and barely noticeable. Cheap protectors can feel crinkly or add slight warmth. Look for ones with soft fabric tops (terry, tencel, or cotton).
Standard protectors don't. For bed bug protection, you need a full encasement — a zippered cover that encloses the entire mattress.
Every 1–2 months under normal use. More frequently if you sweat heavily, have pets, or someone is sick.
A protector covers the top and sides. An encasement zips around the entire mattress for complete coverage. Encasements are better for allergen and pest control; protectors are easier to use day-to-day.
Yes. It reduces the buildup of dust mites, pet dander, and other allergens in the mattress. For severe allergies, a full encasement provides more thorough protection than a standard protector.
No — it protects your warranty. Stains can void many mattress warranties; a protector helps prevent that.
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