Cal King Cushioned Protectors

Explore Cal King Cushioned Protectors to find a comfortable fit for your California King mattress. Shop a selection of options at Mattress Firm and make sleep easy™.

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Sleepy's Signature TOTAL DEFENSE Mattress Protector

5755

Starting at

$129⁹⁹

Temperature
Allergies

Save $100 when you bundle¹⁰.

Sleepy's Deluxe Comfort Cool Mattress Protector

4249

Starting at

$169⁹⁹

Temperature
Allergies

Save $150 when you bundle¹⁰.

Sleepy's Basics Waterproof Mattress Protector

2533

Starting at

$69⁹⁹

Temperature
Allergies

Save $50 when you bundle¹⁰.

Tempur-Pedic TEMPUR-Protect Breeze Mattress Protector

808

Starting at

$309⁰⁰

Sleepy's Signature Total Encasement Mattress Protector

1008

Starting at

$159⁹⁹

Temperature

Bedgear Dri-Tec Mattress Protector

152

Starting at

$189⁹⁹

Temperature
Allergies

Bedgear Ver-Tex Performance Mattress Protector

165

Starting at

$299⁹⁹

Temperature

Bedgear StretchWick Mattress Protector

158

Starting at

$129⁹⁹

Temperature
Allergies

Sleepy's Deluxe Cool Stretch Sheet Set

Starting at

$179⁹⁹

Temperature
Allergies

Save $150 when you bundle¹⁰.

Sleepy's 3" Gel Memory Foam Mattress Topper

398

Starting at

$269⁹⁹

Medium Comfort,

Temperature

Tempur-Pedic TEMPUR-AdaptMattress Topper

8528

Starting at

$299⁰⁰

$409⁰⁰

$110 OFF

Medium Comfort,

Temperature
Allergies

Tempur-Pedic TEMPUR-Adapt + Cooling Mattress Topper

4666

Starting at

$349⁰⁰

$509⁰⁰

$160 OFF

Medium Comfort,

Temperature
Allergies

Sealy Ellenton II 12" Medium Mattress

Starting at

$1119⁰⁰

$1519⁰⁰

$400 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Allergies

FREE ADJUSTABLE BASE ³ with code ELEVATE

Cal King cushioned protectors add a soft, padded layer between your sheets and mattress while helping defend the sleep surface from everyday wear. Designed for California King mattresses, which typically measure 72 inches wide by 84 inches long, these protectors can make a spacious bed feel a little more inviting without changing the mattress’s underlying support. The quilted surface may add gentle cushioning beneath the sleeper, smooth out the feel of the bed and create a comfortable layer for relaxing, reading or settling in for the night. At the same time, a protector can help catch perspiration, skin oils, crumbs and minor spills before they reach the mattress. That extra barrier is useful in a primary bedroom, guest room or shared sleep space where maintaining a clean, comfortable bed matters. A cushioned protector may also be a thoughtful practical gift for someone moving into a new home, refreshing a guest room or preparing a child’s larger bed for everyday use. During the cooler months, when people often spend more time indoors and layer blankets over the bed, a quilted protector can contribute to a warmer, softer sleep setup. For a lighter feel and a focus on airflow, explore Cal King Moisture Wicking Protectors as another option for managing moisture during the night.

When comparing California King cushioned protectors, start with the type of protection you need. A water-resistant or waterproof design is a practical choice for households with children, pets, guests or anyone who enjoys breakfast in bed, since it can help shield the mattress from accidental spills and other liquid mishaps. Look for a waterproof membrane or TPU backing if moisture protection is a priority, and check that the material is described as quiet and flexible so it does not create a crinkling sensation when you turn over. A non-waterproof quilted cover may be suitable when the main goal is to add softness, reduce daily surface wear and keep dust and household debris from settling directly on the mattress. Materials commonly include polyester, cotton blends or other washable fabrics. Polyester can provide durability, easy care and a smooth feel, while cotton blends may offer a familiar, breathable hand feel. Quilting helps keep the fill or padding distributed across the surface, so the protector is less likely to bunch into uneven ridges beneath the sheets. If you tend to sleep warm, pay attention to breathable construction and moisture management. If you prefer a plusher bed, look for a noticeably padded top while remembering that a protector is intended to complement the mattress rather than replace a comfort layer. Reading the care instructions before buying is also worthwhile. Machine-washable designs are especially convenient because regular laundering helps keep the bed feeling fresh through changing routines and cooler weather.

A secure fit is just as important as the surface material. Measure the mattress from the top of the sleep surface to the bottom edge, including any existing topper, before selecting a protector. The pocket depth should accommodate the full height of the mattress, and many options are made to fit mattresses from approximately eight to 21 inches deep. A skirt with elastic around the edge can help hold the protector in place, while generous stretch makes installation easier on a large California King bed. The best fit lies smoothly across the top without pulling tightly at the corners or leaving loose folds under the sheet. If the protector is too shallow, the fitted edge may slip upward during the night; if it is too loose, excess fabric can create uncomfortable bunching. It helps to place the protector over a clean, dry mattress, align the top and bottom corners first and then secure the side corners before adding the fitted sheet. Wash and dry it according to the instructions, avoiding heat levels that could damage elastic or waterproof backing. A well-fitting, easy-care cushioned protector can be useful for everyday sleepers, couples sharing a large bed, pet owners and hosts who want to prepare a welcoming guest space. It can also help preserve the feel and appearance of a mattress by taking on some of the routine contact that comes with nightly use, making the bed easier to maintain for the long term.

What is a cushioned mattress protector? + -

A cushioned mattress protector is a bedding layer with a soft, padded surface designed to add comfort while helping keep your mattress covered.

How does a cushioned protector differ from a mattress pad? + -

A cushioned protector typically combines padding with a protective layer, while a mattress pad is primarily designed to add softness and cushioning.

What materials are commonly used in cushioned mattress protectors? + -

Common materials include cotton, polyester, microfiber, rayon blends and quilted fabrics. The exact materials vary by design and brand.

How should a cushioned mattress protector be cared for? + -

Always follow the care instructions on the product label. Many protectors can be machine washed and dried using recommended settings, while some may require special care.

Can a cushioned mattress protector be used with other bedding layers? + -

Yes. A cushioned protector can generally be placed directly over the mattress and beneath a fitted sheet, mattress topper or other bedding layer, depending on the setup.