A mattress is one of the larger investments in your home. A waterproof protector extends that investment by blocking liquids, dust mites, allergens, and body oils from reaching the mattress surface. The five options below cover fitted-sheet styles, encasements, and different comfort surface materials.
| Product | Best For | Rating |
|---|---|---|
| SafeRest Premium Protector | Best overall cotton surface | 4.7/5 |
| Coop Home Goods Ultra-Tech | Best for hot sleepers | 4.6/5 |
| Linenspa Zippered Encasement | Best budget full encasement | 4.4/5 |
| Sleep Defense System (HOSPITOLOGY) | Best deep-pocket fit | 4.5/5 |
| Purple Mattress Protector | Best for Purple mattress owners | 4.5/5 |
SafeRest Premium Protector — Best Overall Cotton Surface
SafeRest’s fitted protector uses a cotton terry surface over a thin TPU membrane, giving it a soft, natural feel that is quiet and breathable. It is machine washable and holds its waterproof integrity through repeated laundering, which is the most critical long-term performance test. The fitted skirt accommodates mattresses up to 18 inches deep and stays in place without bunching. It covers all major allergens including dust mites, mold, and pet dander. A vinyl-free, phthalate-free design. At it is one of the best value protectors in this category for everyday household use.
Coop Home Goods Ultra-Tech Protector — Best for Hot Sleepers
Coop’s Ultra-Tech uses a breathable polyethylene membrane rather than polyurethane, which improves airflow for sleepers who run warm. The viscose bamboo and polyester surface is soft and moisture-wicking without adding the heat-retaining feel of some synthetic protectors. It is certified by OEKO-TEX Standard 100 for material safety. The fitted sheet design stretches to 18 inches. Machine washable. Atcurrent pricing it is a premium option, but the temperature regulation advantage is noticeable for hot sleepers who have given up on waterproofing because it made them sleep hotter. A clear upgrade in that specific use case.
Linenspa Zippered Encasement — Best Budget Full Encasement
Linenspa’s zippered encasement covers all six sides of the mattress for complete protection against bedbugs, dust mites, and liquids. At it is the most affordable full encasement option with consistent positive reviews. The polyester knit surface is quiet and smooth under a fitted sheet. The zipper closure seals fully and includes a velcro tab to prevent accidental unzipping. The polyurethane membrane is thinner than premium options, which affects longevity with heavy use, but for a guest room, college dorm, or secondary bed, the price-to-protection ratio is excellent.
Sleep Defense System by HOSPITOLOGY — Best Deep-Pocket Fit
The HOSPITOLOGY Sleep Defense System is designed specifically for mattresses up to 21 inches deep, making it the most versatile option on this list for oversized or extra-thick hybrid beds. The zipper encasement design provides complete coverage on all sides. The outer fabric is a smooth polyester knit that does not crinkle. Waterproofing is provided by a polyurethane layer that holds up through standard machine washing. The zipper end stop prevents zipper separation under mattress weight. A practical, well-reviewed solution for anyone who has struggled to find an encasement that fits their unusually thick mattress.
Purple Mattress Protector — Best for Purple Mattress Owners
Purple designs this protector specifically to work with their GelFlex Grid mattresses without blocking airflow through the grid structure. A standard protector can reduce the pressure-relief benefits of a Purple mattress; this one uses a stretchy knit with no layer that inhibits grid flex. It is waterproof, soft, and certified to not void the Purple mattress warranty. If you own a Purple mattress and have been hesitant to use any protector for fear of affecting feel, this resolves that concern directly. For non-Purple mattress owners, other options on this list deliver better value.
How to Choose a Waterproof Mattress Protector
Decide first between a fitted-sheet style and a full encasement. Encasements provide bedbug protection in addition to waterproofing; fitted-sheet protectors are easier to remove and wash frequently. Check the mattress depth and match it to the pocket depth on any fitted style. Look for a TPU or polyethylene membrane rather than vinyl for better breathability and no chemical off-gassing. Confirm the protector is machine washable and read reviews specifically about waterproofing durability after multiple washes. If you or a household member sleeps hot, prioritize protectors with breathable membrane technology and natural fiber surface materials.
For more bedding guidance, see our reviews of best wedge pillows and best cooling mattress toppers. Our testing approach is described on the methodology page.
Frequently asked questions
Will a waterproof mattress protector make noise or feel hot?+
Older vinyl-backed protectors were notorious for crinkling and heat retention. Modern protectors use breathable polyurethane or TPU membranes laminated to fabric, which are quiet and far more temperature neutral. Look for protectors labeled breathable or with a terry or cotton surface for the most comfortable sleep experience.
Do waterproof mattress protectors fit thick mattresses?+
Most standard protectors fit mattresses up to 12 inches deep. If you have a pillow-top, hybrid, or extra-thick mattress (14 to 18 inches), look specifically for a deep-pocket or extra-deep protector. Encasement-style protectors zip around the entire mattress and typically accommodate the widest range of depths.