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What is a mattress cover?

A mattress cover is the top layer of a mattress.

Mattress cover being machine stitched in a factory

The Avocado Green Mattress has a 100% GOTS-certified organic cotton cover.

It wraps around the internal layers of the mattress to keep them intact and protect them from damage.

5 common mattress cover fabrics

1.

Some brands may use polyester with polyethylene or phase change materials to create a cooling effect.

DreamCloud Mattress US

The DreamCloud Hybrid Mattress has a cashmere blend cover.

It’s either used on its own or blended with polyester or other natural materials.

Although cotton is a natural fiber, it is not always organic.

Wool

Wool is a natural fiber primarily used in organic orluxury mattresses.

Bear Elite Hybrid mattress

Our top cooling mattress overall, the Bear Elite Hybrid uses a Celliant cover to promote cooler, more restorative sleep.

However, wool can be expensive, especially if it’s certified organic and sustainably sourced.

Tencel

Tencel is a semi-synthetic cellulose fiber derived from wood pulp, usually eucalyptus.

Like cotton, Tencel is breathable, durable, and soft.

Zipping the cover of the Helix Midnight Elite Mattress, which has a white pillow top and brown and beige border

A mattress cover may be removable, but that doesn’t mean it’s washable.

(It’s also less prone to wrinkling than cotton.)

Cashmere

Cashmere is a throw in of wool that’s derived from the fine hairs of goats.

It’s soft, lightweight, and luxurious.

The image shows the DreamCloud Hybrid Mattress on a grey bed foundation in a neutrally decorated bedroom

3 types of cooling mattress cover materials

1.

GlacioTex

GlacioTex is a proprietary material developed byHelix Sleep.

The high thermal conductivity of GlacioTex fibers draws heat away from your body as you sleep.

Two women sit on the Nolah Natural 11 Mattress

It then reflects that energy back into your body to improve thermoregulation, cell oxygenation, and blood circulation.

It’s also moisture-wicking and fast-drying.

Celliant is marketed towards athletes and those with active lifestyles as it promises higher performance through restorative sleep.

A woman laying awake at night with arms overhead

It’s primarily featured in Bear mattresses.

37.5 Technology

37.5 Technologyworks similarly to Celliant by absorbing your body’s infrared energy.

Phase change material

Phase change material (or PCM) functions similarly to an ice pack.

Mattress protector vs mattress topper: A Nectar Mattress Protector on the left hand side of the image and a Tempur-Pedic mattress topper on the right

When exposed to your body heat it melts, creating a cooling sensation upon contact.

At the same time, it absorbs that heat to maintain a comfortable sleeping temperature.

Unlike the materials above, phase change material is not proprietary.

A woman sleeping comfortably and cooly on her side over the top of duvets

Brands like Cocoon by Sealy and Bear weave PCM into yarns to create cooling mattress covers.

Some even use PCM-infused memory foam for enhanced temperature regulation, such as Casper’s Snow mattresses.

Mattress cover FAQs

What is mattress ticking?

A couple laugh and cuddle while sat on the Avocado Eco Organic Mattress

Mattress ticking refers to the outermost layer of the mattress (the cover).

Among mattresses-in-a-box, the two common types of ticking are knitted covers and damask covers.

Damask covers are woven, offering better breathability and often featuring decorative patterns.

A split image featuring the Nectar Classic Memory Foam Mattress on the left and the DreamCloud Luxury Hybrid on the right, leading into the DreamCloud Luxury Hybrid vs Nectar Classic showdown

There’s also special-pop in mattress ticking, which includes proprietary cooling covers and fabrics treated with antimicrobials.

Can you wash a mattress cover?

In most cases, mattress covers are not removable so you’ll have to spot-treat any stains or spills.

The image shows a woman sitting up in bed and clutching her shoulder in pain

(Also check that you’re using amattress protector.)

Do cooling mattress covers really work?

The Avocado Green Mattress on a simple wooden bed frame in a bedroom, a Tom�s Guide price drop deals graphic (right)

The Tempur-Pedic Tempur-Adapt mattress on a bed frame in a bedroom, a man and his young sun sitting on top of it, smiling. A Tom�s Guide price drop deals graphic (right)

A couple using the Scandinavian Sleep Method

Bed bugs

A woman with an afro sleeping on her side covered in grey duvet while she sweats in her sleep, thinking of a cooling mattress.

A woman with brown hair lies on her stomach on a grey colour Japanese floor mattress

A mattress we tested is dressed with neutral colour bed linens and pillows

Casper Wave Hybrid Snow review: woman lying on the mattress on her side, with her head on a pillow

Woman smiling while she sleeps with headphones in and her arms overhead

A person wearing rubber gloves uses a spray bottle and a clean cloth to clean the surface of the Emma Elite mattress.

Summer garden with patio furniture