Anyone know the difference between a D-core and Tri-core pillow?

D core has the shape of the D, flat on one of the sides. Tri - is more triangular in shape. The D is a more comfy fit for me with the rounded side. Whereas the angular shape of the Tri doesn't fit my face as comfortably.

If there is a stain of some kind, you can "spot-wash" with a cloth. I mix a little soap and water and wet the cloth and scrub gently. I give the entire pillow a spray of Lysol (or other disinfectant) each time I change the linen. If there is another way to wash these types of pillows, I'm unfamiliar with it. Hope that helps.

For short-necked petite people who tried it: was it too wide for your head to reach the center?Was your head pushed too far forward or chin tucked in?

Yes, I had the very same issue and this pillow worsened my existing neck issues. There is negligible difference between the two sides in regard to sizing. The photos show much more of a difference in size than it is in person. Of course, this is a non-refundable item and now I’m out the cost of said pillow and still without a solution. This is a cervical pillow company that is more concerned about the size of the headspace than they are with the actual piece of pillow that goes under the cervical spine. These cervical pillows are more for people who don’t have major issues with their neck but rather a prophylactic measure to keep the cervical spine in its natural position.

Its plastic, your head would sweat! Do they make this pilloe with a different fill?

The D-Core pillow has a cotton/polyester cover and it is filled with 100% virgin polyester fiber. This is the only materials configuration available in the D-Core.

Midsized Firm Core Products D Core Pillow Midsized Fib 241

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€ 218.63

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Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛌 Elevate your sleep game with firm, tailored cervical support!

ERGONOMIC NECK ALIGNMENT - D-shaped center and cervical roll restore natural spine curvature for lasting posture correction.
CUSTOM FIT FOR EVERY SLEEPER - Midsize dimensions and dual-width neck rolls adapt to your unique neck profile and sleeping style.
CLINICALLY INSPIRED PAIN RELIEF - Designed to ease tension headaches, neck spasms, arthritis, and snoring—wake up refreshed and aligned.
BREATHABLE COMFORT MEETS DURABILITY - Soft cotton/polyester cover with resilient fiber fill ensures cool, long-lasting comfort night after night.
TAILORED FIRMNESS FOR BACK SLEEPERS - Firm support cradles your head and neck, ideal for those committed to orthopedic sleep health.

The Core Products D-Core Midsize Firm Pillow (22x15 inches) features a patented D-shaped center and built-in cervical roll to promote proper spinal alignment during sleep. Made in the USA with durable, high resiliency polyester fiber and a breathable cotton/polyester cover, it offers firm orthopedic support ideal for back sleepers seeking relief from neck pain, tension headaches, and related conditions. Designed for gradual adjustment, this pillow combines ergonomic design with lasting comfort and durability.

Specifications

ASIN	B000ESPJX6
Best Sellers Rank	#56,199 in Home ( See Top 100 in Home ) #305 in Neck Pillows
Brand	Core Products
Brand Name	Core Products
Color	white, White
Colour	white, White
Customer Reviews	4.0 out of 5 stars 2,053 Reviews
Global Trade Identification Number	00782944024112
Item Type Name	D-Core Cervical Support Pillow
Item Weight	953 g
Item weight	953 g
Manufacturer	Core Products
Manufacturer Part Number	FIB-241
Material	Polyester
Material Type	Polyester
Model Number	FIB-241
Number of Pieces	1
Number of pieces	1
Size	Midsize
UPC	782944024112
Unit Count	1 Count

Reviews

T**S

Great quality and it works

I bring this pillow any time I don't sleep at home. I've had it for over a year and a half. I sleep in every position possible and this pillow helps my injured neck.

18.08.2026

S**A

Fantastic!

Love love love the pillow. I had back fusion surgery and this is been extremely helpful and comfortable for me after.

16.10.2020

N**S

Best pillow

Best pillow for me, the neck and shoulder support is amazing. I can finally sleep a full nights rest! Worth the price, amazing quality and so comfortable! It is cooling which i love and there are different way to adjust the pillow to your liking!

25.08.2026

A**R

Excellent soutien

Super soutien cervical. Un peu difficile à s’habituer mais diminue ma douleur.

24.02.2026

A**O

Shoulder and neck pain relief

Helped relieve shoulder and neck pain while providing a restful sleep

5.09.2026

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€ 218.63

Duties & taxes included

In stock

Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to France.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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