Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
Flex Pillow
(283)

Flex Pillow

$49.99$74.99

Savings based on comparable value.Learn more

Pricing Disclosure

The listed comparable value represents the manufacturer's suggested retail price or the average retail price of similar products with comparable features, materials, and construction available from major retailers at the time of listing. Mellow's sale price reflects our direct-to-consumer pricing model, which eliminates traditional retail markups. Comparable values are reviewed periodically and may not reflect real-time pricing from all retailers.

Select Pillow size: Standard
Adjust the Height & Firmness
Adjust the Height & Firmness
Soft or Firm Support, It's Up To You!
Soft or Firm Support, It's Up To You!
MellowSoft™ Shredded Memory Foam
MellowSoft™ Shredded Memory Foam
Includes Extra Foam
Includes Extra Foam
Hypoallergenic, Antibacterial & 100% Vegan
Hypoallergenic, Antibacterial & 100% Vegan
Recommended by Our Chiropractic Partners
Recommended by Our Chiropractic Partners

A fully adjustable shredded memory foam pillow designed to give you the exact height and firmness you need for deeper, more comfortable sleep.

30-Day Trial

30-Day Trial

Hassle-Free Returns

Hassle-Free Returns

One Pillow. Your Perfect Fit.

Unlike traditional pillows that are one-size-fits-all, the mellow Flex Pillow lets you customize both height and firmness so it fits you exactly. Add or remove shredded memory foam until it feels just right, no flipping, no guessing, just personalized comfort.

4.8283 Reviews
Shauna H.7/15/2026
Shauna H.7/15/2026
7/15/2026

I have been searching for years to find the perfect pillow The two king size pillows that I bought are hands down the very best. I just got them yesterday and I had the best night's sleep!

Cortney L.
Cortney L.✓ Verified
5/21/2026

My favorite pillow! This one pillow solved all of my problems and it can last a long time thanks to coming with fill.

Melady R.
Melady R.✓ Verified
4/10/2026

they are amazing super soft great for my neck perfect high

John F.✓ Verified
8/18/2026

At first it seemed a little hard to get used to had to take quite a bit of stuffing out of the pillow, but when I had it adjusted to my desired firm it’s absolutely wonderful to sleep on. I’m now only using one pillow instead of two for the first time ever.

Diane F.✓ Verified
8/13/2026

Love the pillow the softness, the comfy is really good and thank you for the relaxing sleep on the neck part it helps a lot!!!

Joel F.✓ Verified
8/13/2026

Nice pillows 😎

Victoria M.✓ Verified
8/3/2026

I am in love with these pillows. Expensive? Yes. Worth it? Also yes. I've been struggling for years to find a replacement for my favorite pillows. I like my pillows firm and bordering on being more of a boulder than a pillow. These showed up already pretty firm so I tried them without adding any extra stuffing first. I ended up adding a little bit to each one and now they are perfect. I have no complaints about them being too hot either. I can not sleep unless I am on the verge of hypothermia an...

Kristy V.✓ Verified
7/24/2026

Insanely comfortable and adjustable. Best pillow!!

Carl F.✓ Verified
7/15/2026

These pillows are way too big. They have way too much foam inside of them and cause severe neck problems when sleeping with them.

Sandra E.✓ Verified
7/4/2026

OK, I think it’s ridiculous to include that little bag of extra fluff because it’s very hard to add to the pillow. You just have blue fluff falling all over the place and I don’t think it made it any bigger. It was an OK sleep

Frequently Asked Questions

Everything you need to know about the Flex Pillow.

Trusted By Thousands Of Happy Sleepers

Real people are sleeping deeper, cooler, and more comfortably with mellow.

0%

of mellow customers sleep at their ideal temperature

0%

would recommend mellow to their family and friends

0%

of mellow customers have left 5 star reviews

Complete Your Sleep Routine

A calming routine is only the beginning. Pair it with pillows and bedding that make it easy to relax, unwind, and sleep soundly through the night.

Dream Slides

Step into CloudFoam cushioning that feels like walking on air. The Cloud Slides are lightweight, ultra-soft, and designed for all-day comfort, inside or out.

$39.99
$59.99
SAVE $20

Cloud Throw Blanket

Ultra-plush softness meets effortless style. The Cloud Throw is lightweight, warm & breathable. Designed to look as good as it feels, in any room, any season.

$59.99
$89.99
SAVE $30
NEW COLORS!

MarshMellow Comforter

A double-stuffed comforter for more volume and bounce. Made with class A baby grade materials to be the softest comforter you'll ever own.

$84.99
$200
SAVE $115.01
BESTSELLER