The SafeRest Deep Pocket Mattress Protector wins overall for its reliable waterproof protection, breathability, and fit. Alternatively, the Milliard Premium Protector offers superior stretch and comfort.
Protecting a deep mattress can be challenging, as standard protectors often slip off or fail to fit properly. After comparing dozens of models based on specs, certifications, and aggregated owner reviews, we ranked the best options for deep mattresses in 2026.
Our rankings prioritize fit (pockets 18-24 inches), waterproofing, breathability, durability, and certifications like OEKO-TEX or CertiPUR-US. We also considered owner-reported ease of use, noise, and washing performance.
SafeRest Deep Pocket Mattress Protector
This protector fits snugly on mattresses up to 22 inches deep, with a cotton terry surface that absorbs moisture and a vinyl waterproof backing. It is noiseless and breathable, certified by OEKO-TEX. Owners report it stays in place after multiple washes.
How 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 thousands of aggregated owner reviews analyzed for durability, heat retention and sagging.
The picks, compared
SafeRest Deep Pocket Mattress Protector
Deep mattresses up to 22 inches · Type: Waterproof | Fit: Up to 22" deep | Certifications: OEKO-TEX
This protector fits snugly on mattresses up to 22 inches deep, with a cotton terry surface that absorbs moisture and a vinyl waterproof backing. It is noiseless and breathable, certified by OEKO-TEX. Owners report it stays in place after multiple washes.
What owners report: Owners praise its perfect fit and quiet fabric. Many note it doesn't crinkle and is easy to put on.
- Fits deep mattresses securely
- Noiseless and breathable
- OEKO-TEX certified, machine washable
- Thinner than some competitors
- May not fit extra-thick mattresses over 22 inches
Milliard Premium Mattress Protector
Budget-conscious buyers needing stretch and fit · Type: Waterproof | Fit: Up to 24" deep | Certifications: None listed
With a stretchy knit skirt that accommodates mattresses up to 24 inches deep, this protector offers excellent value. It is breathable, waterproof without a plastic feel, and machine washable. Owners appreciate its softness and durability over time.
What owners report: Owners like the stretch fit on extra-deep mattresses. Many mention it's soft and doesn't affect the mattress feel.
- Stretchy skirt fits up to 24" deep
- Soft and quiet
- Affordable price point
- Not as durable with frequent washing
- Slightly less waterproof over time
PlushDeluxe Premium Bamboo Mattress Protector
Hot sleepers with deep mattresses · Type: Waterproof | Fit: Up to 22" deep | Certifications: OEKO-TEX
Made with bamboo-derived rayon, this protector wicks moisture and stays cool. It fits mattresses up to 22 inches deep with a fitted sheet style. OEKO-TEX certified and waterproof, it offers a smooth, breathable surface. Owners report it helps regulate temperature.
What owners report: Owners love the cooling effect and soft feel. Many say it reduces night sweats without being crinkly.
- Breathable bamboo fabric for cooling
- Fits deep mattresses well
- OEKO-TEX certified, waterproof yet quiet
- Slightly higher price
- Some report it's less stretchy after many washes
Linenspa Waterproof Mattress Protector
Shoppers on a tight budget · Type: Waterproof | Fit: Up to 18" deep | Certifications: None
An affordable option that fits mattresses up to 18 inches deep, with a polyester top and waterproof backing. It is noiseless and machine washable. Owners find it effective for basic protection but note it may not fit thicker mattresses.
What owners report: Owners appreciate the low price and easy care. Some report it fits well on standard deep mattresses but slides on thicker ones.
- Very affordable
- Noiseless and lightweight
- Machine washable
- Only fits up to 18" deep
- Less breathable than terry options
SureGuard Mattress Protector
Side sleepers needing comfort and fit · Type: Waterproof | Fit: Up to 22" deep | Certifications: OEKO-TEX
This protector has a soft cotton terry surface and a stretchy skirt that fits up to 22 inches deep. It is waterproof and hypoallergenic, with OEKO-TEX certification. Owners report it stays in place and doesn't wrinkle, making it ideal for side sleepers who move.
What owners report: Owners like the softness and that it doesn't crinkle. Side sleepers note it's comfortable and doesn't disrupt sleep.
- Soft cotton terry top
- Stretchy skirt for deep mattresses
- Hypoallergenic and OEKO-TEX certified
- Slightly more expensive
- Thicker fabric may retain heat
Utopia Bedding Waterproof Mattress Protector
Those wanting a firmer support layer · Type: Waterproof | Fit: Up to 18" deep | Certifications: None
With a tighter weave and a waterproof membrane, this protector adds a slight firmness to the mattress. It fits up to 18 inches deep and is machine washable. Owners note it offers good protection but may feel less plush.
What owners report: Owners say it provides a firmer feel, which some prefer. Many mention it's durable and effective against spills.
- Adds a bit of firmness
- Good waterproof protection
- Durable and easy to clean
- Only fits up to 18" deep
- Less soft and noisier than cotton options
Protect-A-Bed AllerZip Smooth Mattress Protector
Allergy sufferers with hybrid mattresses · Type: Waterproof/Allergen | Fit: Up to 18" deep | Certifications: OEKO-TEX
This zippered encasement covers the entire mattress, including sides, and fits up to 18 inches deep. It is waterproof and allergen-proof, with a smooth surface that works well with hybrid mattresses. Owners report it blocks allergens completely.
What owners report: Owners love the full encasement for allergy protection. Many mention it's easy to zip on and stays in place.
- Full coverage encasement
- Blocks dust mites and allergens
- Waterproof and durable
- Only fits up to 18" deep
- Zipper may be tricky for thick mattresses
Frequently asked questions
How deep does a mattress protector need to be for a deep mattress?
For deep mattresses, look for a protector with a pocket depth of at least 18 inches. Many models accommodate up to 22 or 24 inches. Measure your mattress first to ensure a snug fit.
Are waterproof mattress protectors noisy?
Modern protectors use quiet, breathable materials like cotton terry or bamboo rayon, which minimize noise. Vinyl or plastic layers cause crinkling, so choose fabric-backed options for a noiseless experience.
Can I use a mattress protector with a heated mattress pad?
Yes, but ensure the protector is flame-resistant and not made of materials that could melt. Most protectors are safe, but check manufacturer guidelines. Avoid vinyl protectors with heated pads as they may trap heat.
How often should I wash my mattress protector?
Wash your mattress protector every 1-2 months, or more if you have allergies, pets, or spills. Most are machine washable on gentle cycle; air dry or low heat to extend the waterproof layer's life.
Will a mattress protector change the feel of my mattress?
A thin, stretchy protector can preserve your mattress's original feel. Thicker or quilted protectors may add slight plushness or firmness. For minimal change, choose a fitted sheet-style protector with a smooth surface.
The verdict
The SafeRest Deep Pocket Mattress Protector is the best overall for deep mattresses, offering a perfect blend of fit, breathability, and certification. For extra-deep mattresses up to 24 inches, the Milliard Premium is a great value. Hot sleepers should consider the PlushDeluxe Bamboo Protector for its cooling properties.
