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Nick Byars

Verified Customer

 "This pillow has saved my neck. I havea slipped disk and I have the other big name brand pillow and this one doesn't even compare. I lobe the double contour this pillow gives me."

3 days ago US • 4 reviews
Michael Torres

Verified Customer

 "I live in Arizona and run super hot at night. I was literally flipping my pillow every 20-30 mins to find the cool side. This pillow ACTUALLY stays cool the entire night, not just when you first lay down."

Feb 3, 2026 US • 3 reviews
Sarah K

Verified Customer

 "I'm a side sleeper and have always struggled with pillows being either too flat or too thick. This pillow is literaly perfect. The height is just right so my spine stays aligned and I dont wake up with shoulder pain anymore."

Jan 15, 2026 US • 5 reviews
Ashley, 35

Verified Customer

 "As someone who trains 6 days a week, recovery is everything. I track my sleep on my Whoop and my sleep quality scores went from averaging 68% to 89% after switching to this pillow. Never thought a pillow would impact my performance but here we are."

Feb 8, 2026  US • 4 reviews
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Rated 4.7 Stars

Onyx AeroMatrix™ Pillow

Onyx AeroMatrix™ Pillow

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Most pillows collapse by morning. The Onyx AeroMatrix™ Pillow was engineered to hold its shape all night - so you wake up without the neck pain.

✔ Provides firm support to head and neck
✔ Customize your loft with removable 0.5-inch Height+ foam inserts
100-Night Sleep Guarantee & Free Shipping on Orders Over US$100

  • ⚕️ Medical Grade TPE
  • 〰️ Ergonomic
  • ✅Oeko-tex certified
  • 🫧 Hypoallergenic
  • 🌿 Non Toxic
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  • 100% AeroMatrix Grid cools + instantly adapts to your neck and spinal alignment
  • Firm, no-fluff feel

  • Length: 62cm
  • Width: 35cm
  • Base Height: 9cm
  • Height with Adjustable Inserts: 13cm - 11 cm
  • Weight:3.2kgs
  • Unzip the side panel to access Onyx’s adjustable support system.
    Inside are modular inserts that let you tailor height and firmness in seconds.
  • The default setup delivers a balanced, gentle foundation, perfect for letting your neck settle into the cooling AeroMatrix grid.
  • Explore different insert combinations to elevate loft, soften pressure, or refine contour until it feels custom-made for you.
  • To return to the original feel, simply reset the inserts to their default layout — a quick way to restore Onyx’s calibrated balance.
  • Easy to Clean at Home
  • Highest Level of Allergen Resistance
  • OEKO-TEX® Certified
  • Our AeroMatrix Grid is designed to maintain it's shape for years to come.
  • Free Shipping >US$100
  • 100 night sleep trial
  • Limited stock
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Nick Byars

Verified Customer

 "This pillow has saved my neck. I havea slipped disk and I have the other big name brand pillow and this one doesn't even compare. I lobe the double contour this pillow gives me."

3 days ago US • 4 reviews
Michael Torres

Verified Customer

 "I live in Arizona and run super hot at night. I was literally flipping my pillow every 20-30 mins to find the cool side. This pillow ACTUALLY stays cool the entire night, not just when you first lay down."

Feb 3, 2026 US • 3 reviews
Sarah K

Verified Customer

 "I'm a side sleeper and have always struggled with pillows being either too flat or too thick. This pillow is literaly perfect. The height is just right so my spine stays aligned and I dont wake up with shoulder pain anymore."

Jan 15, 2026 US • 5 reviews
Ashley, 35

Verified Customer

 "As someone who trains 6 days a week, recovery is everything. I track my sleep on my Whoop and my sleep quality scores went from averaging 68% to 89% after switching to this pillow. Never thought a pillow would impact my performance but here we are."

Feb 8, 2026  US • 4 reviews
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Onyx AeroMatrix™ Pillow

Regular price $99.00
Regular price $198.00 Sale price $99.00
Save $99.00
  • Proper Neck Alignment

    Ergonomic contour supports your spine's natural curve

  • Adjustable Loft

    Customize the height with 0.5” adjustable inserts

  • All-Night Cooling

    Aeromatrix keeps you cool from dusk till dawn

  • Hypoallergenic & Non-Toxic

    Safe TPE resists allergens with zero harsh chemicals

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Aeromatrix Technology™

We developed AeroMatrix Technology to completely redefine your pillow experience. Our proprietary AeroMatrix core is crafted with advanced materials designed to instantly conform to your head and neck, while maintaining a cool, breathable structure that prevents heat buildup.

The Onyx AeroMatrix Core features an ergonomic contour that instantly cools and adapts to provide superior support and pressure relief for your head and neck.

Adjusts height in 0.5-inch increments to ensure optimal comfort for side, back, and stomach sleeping positions.

Our premium white pillow case blends breathable modal and polyester with stretchy spandex to keep you cool and comfortable all night long.

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Recommended by 125+ Sleep Experts, Physiotherapists, and Dermatologists

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TPE Core - Alignment & Cooling That Actually Works

Our TPE grid instantly cools and adapts to your head and neck, staying cold all night. Superior pressure relief meets responsive support - no more flipping to find the cool side.

Fabric That Keeps Your Skin Glowing

Modal and polyester wick moisture away instantly, reducing wrinkles and acne while you sleep. Silky-smooth surface means less friction, healthier skin, and zero irritation.

One Pillow, Every Sleep Position

Adjust height in 0.5-inch increments to match your sleep style - side, back, or stomach. Perfect support, every single night.

⭐⭐⭐⭐⭐ Rated 4.7 Stars

Join 100,000+ People Who Put Their Sleep First

US vs Them

Not overhyped or overpriced. Just the best vibes one can get.

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100-Night Sleep Better Guarantee

Try Onyx risk-free for 100 nights. Not feeling the difference? We'll refund you completely—you just cover return shipping. No restocking fees. No questions asked. Just better sleep, guaranteed.

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Frequently Asked Questions

Do you ship internationally?

At this time, we only ship to the United States and Australia. We hope to expand to more countries in the future, so stay tuned!

How does your pillow work?

The Onyx Aeromatrix™ is designed to work for every type of sleeper, whether you sleep on your side, back, or stomach. The pillow comes with two adjustable inserts, allowing you to customize the height and firmness to find your perfect level of support. Simply add or remove an insert until it feels just right for you. You're welcome to use your own pillowcase, or pair it with the Onyx AeroFlex™ Pillow Case, designed to fit the Onyx Aeromatrix™ perfectly.

What are the size and dimensions of the pillow?

Onyx Aeromatrix™ Pillow

Pillow size: 24.4" × 13.8" × 4.3" / 3.5" (62 × 35 × 11/9 cm)

Pillow + Inserts: 24.4" × 13.8" × 5.1" / 4.3" (62 × 35 × 13/11 cm)

Inserts: 0.5" (1.25 cm) each - 2 inserts included

How do I clean/wash my pillow, pillowcase, and inserts?

(1) Onyx Aeromatrix™ Pillow: Remove from the cover and wash in warm water with gentle soap, then let air dry.
(2) Onyx AeroFlex™ Pillow Case: Machine wash with colors in cold water and tumble dry low.

What are the materials?

(1) Onyx Aeromatrix™ Pillow Core: Made from Thermoelastic Polymer (TPE), the Onyx Aeromatrix™ offers superior breathability, adaptive support, and lasting durability - keeping you cool and comfortable all night long.
(2) Onyx AeroFlex™ Pillow Case: The premium blend of Polyester, Modal, Cotton, and Spandex delivers an irresistibly soft, stretchy, and breathable cover that feels gentle on your skin and holds its shape wash after wash.

What is your 100-night sleep better guarantee?

Not 100% happy with your purchase? No problem! Simply reach out to our support team at support@theonyxpillow.com within 100 nights of receiving your order, and we'll take care of you with a full 100% refund. We have complete confidence in our products and know you're going to love them - that's exactly why we back them with our 100-Night Sleep Better Guarantee.
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Please note that return shipping costs are the responsibility of the customer, and refunds will be processed once the item has been received at our fulfillment center.

How long does shipping take?

USA: 2–6 days
Australia: 2–6 days
Please note that holidays may impact delivery times.