The Protect-A-Bed AllerZip Smooth is our overall winner for its robust protection and breathability. For a budget-friendly option, consider the SureGuard Mattress Protector with similar features.
We compared the top zippered waterproof mattress encasements on the market, analyzing specs, certifications, and aggregated owner reviews. Our ranking prioritizes protection, comfort, and durability based on CertiPUR-US and OEKO-TEX certifications, along with real-world feedback from thousands of users.
Zippered encasements offer complete protection against bed bugs, dust mites, and spills, making them ideal for allergy sufferers and households with children or pets. We evaluated each model on fit, fabric feel, waterproof effectiveness, and ease of installation to help you find the best option for your needs.

This encasement features a smooth, noiseless cotton terry surface that feels like a regular sheet. It is waterproof yet breathable, and the zippered design fully encloses the mattress. Certified by OEKO-TEX and tested for bed bug protection.
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.

Allergy sufferers and those seeking complete protection · Type: Zippered encasement | Firmness: N/A (fabric only) | Trial: 30 days
This encasement features a smooth, noiseless cotton terry surface that feels like a regular sheet. It is waterproof yet breathable, and the zippered design fully encloses the mattress. Certified by OEKO-TEX and tested for bed bug protection.
What owners report: Owners consistently praise its quiet, comfortable fabric and effective waterproofing. Many report relief from allergies after installation, noting it fits deep mattresses well.

Budget-conscious shoppers needing reliable protection · Type: Zippered encasement | Firmness: N/A | Trial: 60 days
This encasement offers six-sided protection with a polyester knit surface that is noiseless and breathable. It is waterproof, tested for bed bugs, and comes with a 60-day trial and 10-year warranty. CertiPUR-US certified foam inside.
What owners report: Owners love the affordable price and effective waterproofing. Many mention it fits well on standard mattresses and stays in place despite washing.

Hot sleepers who want moisture protection without heat buildup · Type: Zippered encasement | Firmness: N/A | Trial: 30 days
This encasement uses a breathable cotton terry top that wicks away moisture and promotes airflow. It is waterproof and protects against allergens and bed bugs, with a 360-degree zipper. OEKO-TEX certified.
What owners report: Owners note it sleeps cooler than other encasements, with many reporting no sweating. Some mention the zipper can be tricky to align initially.

Side sleepers who need a soft, noiseless surface · Type: Zippered encasement | Firmness: N/A | Trial: 30 days
This encasement features a soft, stretchy knit fabric that conforms to the body, reducing pressure points. It is waterproof yet breathable, and the zippered design offers complete protection. CertiPUR-US certified.
What owners report: Side sleepers appreciate the plush feel and lack of crinkling. Many say it doesn't change the feel of their mattress noticeably.
Shoppers seeking the lowest price without sacrificing basic protection · Type: Zippered encasement | Firmness: N/A | Trial: 30 days
This budget encasement has a polyester knit surface that is waterproof and bed bug resistant. It fits up to 18-inch mattresses and comes with a 10-year warranty. Lightweight and easy to install.
What owners report: Owners highlight the unbeatable price for a zippered encasement. Many note it feels less premium but works well for guest rooms or kids.
Those who prefer a taut, smooth surface under sheets · Type: Zippered encasement | Firmness: N/A | Trial: 30 days
This encasement has a tightly woven polyester fabric that provides a firm, smooth feel with no excess fabric. It is waterproof, allergen-proof, and features a reversible zipper for easy removal. OEKO-TEX certified.
What owners report: Owners who like a wrinkle-free fit appreciate its tautness. Some say it feels less soft than cotton options but keeps sheets in place well.

Owners of hybrid mattresses needing stretch and protection · Type: Zippered encasement | Firmness: N/A | Trial: 30 days
This encasement is designed for hybrid and thick mattresses, with stretchy knit sides that accommodate up to 20-inch depth. It is waterproof and features a soft, quiet surface. CertiPUR-US certified.
What owners report: Owners of thick mattresses love the fit and stretch. Some report the waterproof layer can be slightly warm, but overall comfortable.
A zippered mattress encasement completely envelops the mattress with a full zipper closure, protecting against bed bugs, dust mites, allergens, and spills from all sides. It's different from a fitted sheet-style protector that only covers the top and sides.
High-quality encasements use soft, noiseless fabrics like cotton terry or knit polyester. Budget options may have a slight crinkle from the waterproof layer, but most owners report no significant noise once the bed is made.
Measure your mattress thickness (usually 8-18 inches) and check the encasement's depth range. Most brands offer sizes from Twin to California King, with specific fit for standard or deep mattresses.
Yes, most are machine washable on a gentle cycle and can be tumble dried low. Follow the manufacturer's instructions to maintain waterproof integrity and prevent shrinkage.
A well-designed encasement adds minimal thickness and does not change the feel significantly. However, some users notice a slight difference in breathability or softness, so choose a fabric that matches your preference.
For most people, the Protect-A-Bed AllerZip Smooth offers the best balance of protection, comfort, and certifications. For budget buyers, the SureGuard Mattress Protector provides excellent value. Hot sleepers should consider the PlushDeluxe Premium for its cooling cotton surface.