AllerEase Ultimate Cotton Waterproof Zippered Mattress Protector

Our review of the AllerEase Ultimate cotton zippered mattress protector finds it best for sleepers who want a near-silent, protective encasement that balances comfort and mattress preservation. The single biggest reason to buy is the combination of a soft cotton top with a waterproof backing and a full zipper design that blocks spills, dust and insects while keeping the surface quiet and comfortable to lie on.

Key Features

• Cotton waterproof top: A soft cotton surface backed by a waterproof layer protects the mattress from unexpected spills and stains without sounding like a typical plastic cover.
• Full zip closure: An encasement-style zip keeps seams secured so the mattress is protected from dust mites and insect intrusion.
• Temperature balancing technology: Moisture-wicking and insulating finishes help sleepers stay drier and more comfortable through changing nights.
• FlexFit elastic corners: Stretchy, reinforced corners hold King mattresses securely and fit up to 17 in depths on larger sizes for a snug, non-slip fit.
• Easy care: Machine washable on hot with nonchlorine bleach when needed and tumble dried on low to maintain protection and hygiene.
• Clean sleep protection: Fabric treatments and construction help the protector stay fresher between washes, reducing allergen buildup.

Who It's For

The AllerEase Ultimate encasement suits allergy sufferers, parents, and anyone who wants long-term mattress protection without the crinkle or noise of typical vinyl covers; its cotton top keeps the sleeping surface familiar while the zipper and seams create a secure barrier. Those with deep mattresses who need a dependable fit will appreciate the FlexFit corners and the ability to accommodate up to 17 in depths on Queen, King, and Cal King sizes.

Shoppers who prioritize a plush mattress pad feel or a very thick cushioning top should look elsewhere, because this product is engineered as a protective encasement rather than an additional comfort layer. Also, buyers expecting identical sensations to pure-cotton bedding may notice mixed impressions from other users about texture.

Pros & Cons

Pros

• Quiet cotton top provides a more natural sleeping surface than standard plastic protectors.
• Waterproof backing and sealed zipper offer strong mattress protection from spills and insects.
• Durable construction and washability hold up well across repeated laundering.
• Temperature balancing finish helps manage moisture for a cooler, drier sleep.

Cons

• Some users report the top feels less like pure cotton and more like a treated fabric, so tactile impressions vary.
• Installation can be fiddly on very deep or heavy mattresses despite FlexFit corners.

Specifications

Our Verdict

The AllerEase Ultimate zippered protector is a smart purchase for anyone seeking reliable mattress protection with a quieter, cotton-feel surface and temperature-balancing properties. It delivers strong spill and allergen protection, solid durability in the wash, and a secure fit for deep mattresses, making it good value for households that need long-term mattress care rather than added plushness.

Frequently Asked Questions

Is this protector fully waterproof?
Yes, the cotton top is backed by a waterproof layer that prevents spills and stains from reaching the mattress.

Will it fit deep mattresses?
The FlexFit elastic corners secure mattresses up to 17 in deep on Queen, King, and Cal King sizes, and up to 14 in on twin and full.

How should I wash it?
Machine wash hot with nonchlorine bleach when needed and tumble dry on the lowest setting; remove promptly when dry and do not iron.