Pillows · Type

Ergonomic Pillows

An ergonomic pillow is a bed pillow with a built-in shape: a neck roll, a center cradle, side wings or a cutout for your shoulder. Orthopedic and therapeutic pillows are the same family under other names. Pick the shape for the way you sleep first and the fill second. (I've folded a lot of pillows in my life. The shaped ones are the only kind that refuse to be folded, which tells you something about them.)

Four shaped bed pillows on a shelf at night: a neck-roll pillow, a winged pillow, a round bolster and a pillow with a shoulder cutout.

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78 models
Bed pillows
ModelPillow typeFillAmazon
AllSett Health Round Cervical RollBed pillows
More specs
Shape
Roll / bolsterlisting
Dimensions
13 x 5listing
Care
Cover machine-washable onlylisting
Neck roll / bolsterlisting—Check price
Bean Products Bean Products Natural Organic Cotton Buckwheat Neck Roll Pillow 4"Dia x 12" | Adjustable Fill, Great for Neck Pain Relief, Add-on Pillow for Back Sleepers - Under Neck or Knees - Made in USABed pillows
More specs
Shape
Roll / bolsterlisting
Dimensions
4 dia x 12listing
Adjustable height / loft
Yeslisting
Sleep positions (maker)
Backlisting
Cover fabric
organic cottonlisting
Health wording (maker)
"Great for Neck Pain Relief"listing
Neck roll / bolsterlistingBuckwheat hullslistingCheck price
Bedsure OLoopBed pillows
More specs
Shape
Contour / wavelisting
Sleep positions (maker)
Combination / alllisting
Pillows in pack
2listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
Bedsure Bedsure Cervical Neck Pillow, Ergonomic Pillow for Neck Pain Relief | Memory Foam Pillows with Double - Sided Design, Orthopedic Contour Shape Gently Supports Head & Neck, GreyBed pillows
More specs
Shape
Contour / wavelisting
Cooling (feature as stated)
cool-touch cooling fabric pillowcase (Q-max 0.508)listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
Bedsure OLoopBed pillows
More specs
Shape
Contour / wavelisting
Sleep positions (maker)
Combination / alllisting
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
Neck roll / bolsterlistingMemory foam (solid / molded)listingCheck price
Bespilow Bespilow Ergonomic Cervical Pillow for Neck Pain Relief,Contoured Memory Foam Neck Pillow,Orthopedic Shoulder Supportfor Side, Back, Stomach Sleepers,Removeble Pillowcase,Quirky Gift for AudltBed pillows
More specs
Shape
Cervical (center cradle, raised edges)listing
Sleep positions (maker)
Combination / alllisting
CertiPUR-US (as stated)
Yeslisting
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
C CUSHION LAB C CUSHION LAB Extra Dense Ergonomic Cervical Pillow for Firm Neck Support - Orthopedic Contour Pillow for Back/Side Sleeper Neck Relief, CertiPUR–US Memory Foam Pillow with Organic Cotton CoverBed pillows
More specs
Shape
Cervical (center cradle, raised edges)listing
Firmness (as stated)
Firmlisting
Sleep positions (maker)
Sidelisting
Cover fabric
100% organic cottonlisting
Care
Cover machine-washable onlylisting
CertiPUR-US (as stated)
Yeslisting
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
Neck roll / bolsterlistingGel memory foamlistingCheck price
C CUSHION LAB Deep Sleep PillowBed pillows
More specs
Shape
Contour / wavelisting
Sleep positions (maker)
Combination / alllisting
Health wording (maker)
"Provides Neck Support & Shoulder Pain Relief"listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
Coop Home Goods Adjustable Orthopedic PillowBed pillows
More specs
Size
Kinglisting
Adjustable height / loft
Yeslisting
Sleep positions (maker)
Combination / alllisting
CertiPUR-US (as stated)
Yeslisting
Other certifications (as stated)
GREENGUARDlisting
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
Core Products EconoWaveBed pillows
More specs
Shape
Contour / wavelisting
Dimensions
22 x 15listing
Firmness (as stated)
Firmlisting
Sleep positions (maker)
Backlisting
Cervical / contourlisting—Check price
Core Products Tri-CoreBed pillows
More specs
Size
Maker size (petite / average / large)listing
Sleep positions (maker)
Combination / alllisting
Cervical / contourlistingDown alternative / polyester fiberlistingCheck price
Cervical / contourlisting—Check price
Cozyplayer Ultra Pain Relief Cooling Pillow for Neck Support, Adjustable Cervical Pillow Cozy Sleeping, Odorless Ergonomic Contour Memory Foam Pillows, Orthopedic Bed Pillow for Side Back Stomach SleeperBed pillows
More specs
Shape
Contour / wavelisting
Adjustable height / loft
Yeslisting
Sleep positions (maker)
Combination / alllisting
Health wording (maker)
"Ultra Pain Relief Cooling Pillow for Neck Support"listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
ButterflylistingMemory foam (solid / molded)listingCheck price
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
Cushy Form Cushy Form Travel Neck Pillow - Washable Memory Foam Cylinder Pillow for Neck, Back & Leg SupportBed pillows
More specs
Shape
Roll / bolsterlisting
Care
Cover machine-washable onlylisting
Neck roll / bolsterlistingMemory foam (solid / molded)listingCheck price
Derila DerilaBed pillows
More specs
Shape
Butterflylisting
Dimensions
19.7 x 11.8 x 3.9listing
Loft / height
3.9 inlisting
Cover fabric
pillowcase 98% polyester, 2% spandex; inner cover 100% polyesterlisting
ButterflylistingMemory foam (solid / molded)listingCheck price
Derila DerilaBed pillows
More specs
Shape
Butterflylisting
Dimensions
19.7 x 11.8 x 3.9listing
Loft / height
3.9 inlisting
Cover fabric
pillowcase 98% polyester, 2% spandex; inner cover 100% polyesterlisting
Butterflylisting—Check price
Derila Derila King Size Neck Pillow Cervical Memory Foam Pillow & Additional PillowcaseBed pillows
More specs
Shape
Butterflylisting
Size
Kinglisting
Dimensions
23.6 x 13.4 x 4.3listing
Loft / height
4.3 inlisting
ButterflylistingMemory foam (solid / molded)listingCheck price
DONAMA DONAMA Cervical Pillow for Neck and Shoulder Pain Relief, Cooling Contour Memory Foam Pillow, Dual-Height Ergonomic Neck Support Pillow for Side Back Stomach Sleepers with Removable PillowcaseBed pillows
More specs
Shape
Contour / wavelisting
Dimensions
24.8 x 14.96 x 5.51listing
Loft / height
5.51 inlisting
Sleep positions (maker)
Combination / alllisting
Health wording (maker)
"Cervical Pillow for Neck and Shoulder Pain Relief"listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
DONAMA DONAMA Cervical Pillow Ergonomic Memory Foam Pillow for Neck Support | Neck Pillow for Pain Relief, ergonomic support for back/shoulder, Cooling side sleeper pillow, Queen SizeBed pillows
More specs
Shape
Contour / wavelisting
Size
Queenlisting
Dimensions
24.4 x 14.6 x 4.7listing
Loft / height
4.7 inlisting
Cooling (feature as stated)
cold-silk technology fabric pillowcaselisting
Sleep positions (maker)
Sidelisting
Care
Cover machine-washable onlylisting
CertiPUR-US (as stated)
Yeslisting
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
DONAMA DONAMA Cervical Pillow for Neck Pain, Ergonomic Memory Foam Contour Pillow | Dual-Height Adjustable, Cooling Hypoallergenic Cover, Odorless,CertiPUR-US, Side/Back/Stomach Sleepers,OEKO-TEX CertifiedBed pillows
More specs
Shape
Contour / wavelisting
Sleep positions (maker)
Combination / alllisting
CertiPUR-US (as stated)
Yeslisting
OEKO-TEX (as stated)
OEKO-TEX Certifiedlisting
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
Elviros Elviros Cervical Neck Pillow for Side Sleepers, Back and Stomach Sleepers | Memory Foam Pillows for Neck and Shoulder Pain, Ergonomic Orthopedic Sleeping Support PillowBed pillows
More specs
Dimensions
25 x 16 x 4.5-5.1listing
Loft / height
5.1 inlisting
Sleep positions (maker)
Combination / alllisting
Health wording (maker)
"Memory Foam Pillows for Neck and Shoulder Pain"listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
Elviros Elviros Cervical Memory Foam Pillow,2 PCS Pillow for Neck & Shoulder Pain | Ergonomic Orthopedic Sleeping Neck Support Pillow for Side Sleepers, Stomach Sleepers, GreyBed pillows
More specs
Dimensions
25 x 16 x 4.5/5.1listing
Loft / height
5.1 inlisting
Sleep positions (maker)
Sidelisting
Pillows in pack
2listing
Health wording (maker)
"Pillow for Neck & Shoulder Pain"listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
Epabo EPABO Contour Memory Foam Pillow Orthopedic Sleeping Pillows, Ergonomic Cervical Pillow for Neck Pain - for Side Sleepers, Back and Stomach Sleepers, Free Pillowcase Included (Firm & Queen)Bed pillows
More specs
Shape
Contour / wavelisting
Size
Queenlisting
Firmness (as stated)
Firmlisting
Sleep positions (maker)
Combination / alllisting
Cover fabric
rayon/polyester blendlisting
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
HOMCA Cuddle Pillow for CouplesBed pillows
More specs
Shape
Arm-hole cutoutlisting
CertiPUR-US (as stated)
Yeslisting
OEKO-TEX (as stated)
OEKO-TEXlisting
Health wording (maker)
"Arm Numbness & Shoulder Pain Relief"listing
Side-sleeper cutout (arm hole)listingMemory foam (solid / molded)listingCheck price
HOMCA HOMCA Cervical Pillow, Ergonomic Memory Foam Neck Pillow for Pain Relief | White, 24x12x5in, For Side/ Back/ Stomach Sleepers, Ergonomic Contour, Medium-firm, Removable & Washable PillowcaseBed pillows
More specs
Shape
Contour / wavelisting
Dimensions
24 x 12 x 5listing
Loft / height
5 inlisting
Firmness (as stated)
Medium-firmlisting
Sleep positions (maker)
Combination / alllisting
Health wording (maker)
"Ergonomic Memory Foam Neck Pillow for Pain Relief"listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
HOMCA HOMCA Memory Foam Cervical Pillow, 2 in 1 Ergonomic Contour Orthopedic Pillow for Neck Pain, Contoured Support Pillows for Side Back Stomach SleepersBed pillows
More specs
Shape
Contour / wavelisting
Dimensions
23.6 x 15.7 x 4.7/5.6listing
Loft / height
5.6 inlisting
Sleep positions (maker)
Combination / alllisting
Health wording (maker)
"Orthopedic Pillow for Neck Pain"listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
LOFE Adjustable Buckwheat Neck Pillow - Cervical Roll to Relieve Tension | Buckwheat Pillow to Provide Firm Support for Side/Back Sleeper, Cylinder Bolster Pillow with Organic Cotton Pillowcase 17x6inBed pillows
More specs
Shape
Roll / bolsterlisting
Dimensions
17 x 6listing
Firmness (as stated)
Firmlisting
Adjustable height / loft
Yeslisting
Sleep positions (maker)
Backlisting
Cover fabric
organic cottonlisting
Hypoallergenic (claim)
Yeslisting
Health wording (maker)
"Cervical Roll to Relieve Tension"listing
Neck roll / bolsterlistingBuckwheat hullslistingCheck price
LOFE LOFE Adjustable Pillow, CertiPUR-US Certified Memory Foam Pillow | 4 Height from 1.2 to 4.8in, Cervical Pillow for Neck Pain Relief, Thin Pillow for Back/Side Sleepers, Removable Cooling CoverBed pillows
More specs
Size
Standardlisting
Dimensions
23.6 x 14.2listing
Loft / height
4.8 inlisting
Firmness (as stated)
Medium-firmlisting
Adjustable height / loft
Yeslisting
Sleep positions (maker)
Sidelisting
CertiPUR-US (as stated)
Yeslisting
Health wording (maker)
"Cervical Pillow for Neck Pain Relief"listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
LOFE LOFE Contour Pillow - Adjustable Softness & Hardness for Ideal Support | Adjustable 4 Layer for Side, Back&Stomach Sleeper, 11 Heights Cervical Pillow for Proper Spine Alignment for Neck Pain ReliefBed pillows
More specs
Shape
Contour / wavelisting
Loft / height
6.1 inlisting
Adjustable height / loft
Yeslisting
Sleep positions (maker)
Combination / alllisting
Cervical / contourlisting—Check price
MALOUF Z Side Sleeper Shoulder CutoutBed pillows
More specs
Size
Kinglisting
Dimensions
16 x 35listing
Loft / height
6 inlisting
Firmness (as stated)
Medium-firmlisting
Cooling (feature as stated)
liquid gel layerlisting
Sleep positions (maker)
Sidelisting
Cover fabric
100% tencel lyocelllisting
Shoulder cutoutlistingMemory foam (solid / molded)listingCheck price
MALOUF Z Shoulder CarbonCool LT OmniPhaseBed pillows
More specs
Size
Queenlisting
Cooling (feature as stated)
activated-carbon-infused foam with OMNIPHASE phase change material surface coating; ventilated foam; TENCEL coverlisting
Sleep positions (maker)
Sidelisting
Cover fabric
TENCELlisting
Shoulder cutoutlistingMemory foam (solid / molded)listingCheck price
MedCline Multi-Position PillowBed pillows
More specs
Shape
Contour / wavelisting
Dimensions
23 x 17listing
Cooling (feature as stated)
cooling layer, gel-infused memory foamlisting
Sleep positions (maker)
Combination / alllisting
CertiPUR-US (as stated)
Yeslisting
Health wording (maker)
"for Cervical Neck Pain Relief"listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price
MyPillow MyBolsterBed pillows
More specs
Shape
Roll / bolsterlisting
Dimensions
6 round x 18 longlisting
Care
Machine-washable pillowlisting
Neck roll / bolsterlisting—Check price
Nestl Nestl Neck Roll Pillow for Pain Relief - Premium Memory Foam – Bolster Pillow for Sleeping with a Breathable Cooling Cover - Comfy Cylinder Neck Roll PillowBed pillows
More specs
Shape
Roll / bolsterlisting
Cooling (feature as stated)
ice silk cooling cover fabriclisting
Neck roll / bolsterlistingMemory foam (solid / molded)listingCheck price
OLIXIS OLIXIS Set of 2 Ergonomic Cervical Pillows, Cooling Memory Foam Contour Pillow, Neck Support Pillow for Side Back Stomach Sleepers with Washable Ice Silk Cover, King Size, GrayBed pillows
More specs
Shape
Contour / wavelisting
Size
Kinglisting
Cooling (feature as stated)
ice-silk coverlisting
Sleep positions (maker)
Combination / alllisting
Care
Cover machine-washable onlylisting
Pillows in pack
2listing
Cervical / contourlistingMemory foam (solid / molded)listingCheck price

What’s in this listShaped bed pillows — cervical / contour, butterfly, neck roll and cutout designs — as the maker or listing names the shape. Plain rectangular pillows are on the main pillow pages. “—” means neither the maker nor the Amazon listing states it.

An ergonomic pillow is a shaped bed pillow

Here's the rule. If a bed pillow has a shape built into it — a roll, a dip, wings or a cutout — it belongs on this page. If it's a plain rectangle, it doesn't, however the listing describes it.

The words on the box are loose. Ergonomic pillow, orthopedic pillow, therapeutic pillow and contour pillow all show up on the same kinds of products, often in the same title. None of them is a standard. No agency tests a pillow and grants it the word "orthopedic". So we sort by shape, which you can see in a drawing, and by stated loft, which you can check with a ruler.

The plain rectangles live on the other pillows pages, sorted by fill, firmness and size.

What the names on the box usually mean

Shaped pillows collect names the way the archive collects pillowcases. Here's how the common ones tend to be used in listings. None of them is a guarantee of anything, so treat each as a hint and check the drawing.

When a title stacks four of these words together, it's describing one pillow four ways, not four features. Dev counted the words in one listing title once and got to 31 before he found the size. (He has a spreadsheet for that. I didn't ask to see it.)

The fastest way through the noise is the shape column. A drawing doesn't exaggerate. If the listing has no drawing and no stated shape, the pillow doesn't make it onto this page.

Shapes in the family

The table's pillow type column puts each pillow in one of these groups. Each has its own page.

Cervical and contour: a roll for the neck

The most common ergonomic pillow. A raised roll runs along the edge that sits under your neck, with a lower area for your head. Cervical designs usually have a distinct center cradle; contour designs are more of a smooth wave. Both are often molded memory foam.

They suit back and side sleepers who want one height all night. See cervical pillows and contour pillows.

Butterfly: wings at the ends

A center dip with raised wings on either side, so the pillow holds your head when you turn from your back to your side. Good for people who switch positions during the night. See butterfly pillows.

Neck roll or bolster: a firm cylinder

A long, round pillow that tucks under the neck, either alone or in front of a regular pillow. People also use one behind the back on a sofa or under the knees. See neck roll pillows.

Arm-hole and shoulder cutouts: room for the bottom arm

A hollow or notch near one end, so a side sleeper's lower arm or shoulder has somewhere to go instead of jamming under the pillow. See pillows with an arm hole and shoulder pillows.

Not in this group

Wedges, knee pillows, leg rests, reading pillows and body pillows are shaped too, but they do a different job. They have their own pages: knee pillows, leg elevation pillows, reading pillows, lumbar support pillows and U-shaped body pillows.

Choose by how you sleep, then by fill

My one opinion on this page: buy a pillow for your sleep position first and your fill second. The loft and the shape decide whether your head lands at the right height. The fill decides how that height feels.

Back sleepers

A back sleeper wants a modest roll that fills the curve under the neck without pushing the chin forward. A cervical or contour pillow on its lower side is the usual fit. Look for back sleeping in the sleep position field and a stated loft.

Side sleepers

A side sleeper needs more height, because the pillow has to fill the space from the ear to the edge of the shoulder. Taller cervical rolls, cutout designs and butterfly pillows with high wings are the shapes to look at. Broad shoulders usually call for the taller option or a larger maker size.

Combination sleepers

If you start on your back and wake up on your side, a butterfly shape or a two-roll cervical pillow gives you two heights in one. An adjustable pillow, where you can take out layers or fill, is another route.

Stomach sleepers

Most shaped pillows aren't built for you. A raised neck roll tips your head back when you lie face down. A thin pillow is usually the better start.

How to read the table

Every field shows only what the maker or listing states. A blank is a blank, not a no.

Pillow type and shape

The type is the group above. The shape adds detail, such as a center cradle with raised edges or a wave. We take it from the maker's drawing or product name. A shopping page's "shape" box sometimes calls a shaped pillow "rectangular", so we don't use it.

Loft

How tall the pillow is, in inches. Shaped pillows can have two heights, one for each roll. When only one number is listed, it's usually the tallest point.

Size

Shaped pillows are often sold in body sizes — small, medium, large, or names like petite and average — instead of standard, queen and king. The bigger size usually means a taller roll. If the maker explains how to measure for a size, use their method. We don't publish a universal chart, because makers don't share one.

Fill and firmness

Fill is what's inside: molded memory foam, shredded foam, latex, fiber. Molded foam keeps a shape best. Firmness is the maker's word, not a measured value, so a "medium" from one maker can feel like a "firm" from another. The table never ranks by it.

Sleep position

The positions the maker names. Useful as a filter. Not a promise for every body.

Health wording

Some listings use medical-sounding words: "pain relief", "chiropractor", "posture". When they do, the health wording column shows the exact phrase in quotes, as the maker's statement. We never treat it as a finding, and we never rank pillows by it.

Certifications

CertiPUR-US covers flexible polyurethane foam: accredited labs test foam samples for certain chemicals, heavy metals and emissions. OEKO-TEX STANDARD 100 covers textiles, usually the cover. The table shows either one only when the maker names it for that pillow.

Orthopedic is a name, not a health promise

People shop for an orthopedic pillow or a therapeutic pillow because something hurts. That's a fair reason to want a better-fitting pillow. But a pillow can only be the right or wrong shape and height for you. It isn't a treatment for neck or back pain, and nothing on this page says otherwise.

If pain keeps up, wakes you at night, or comes with numbness, tingling or headaches, see your doctor before you spend money on pillows. Bring your sleep position into that conversation. The how to sleep with neck pain guide has general information on positions.

Sizes, cases and the bed you already have

A standard bed pillow is 20 x 26 inches, and a standard pillowcase is made for that size, as the US labeling rules' own example shows. Shaped pillows often aren't. Many are narrower or shorter, and many come with a fitted zip cover.

A regular pillowcase over a cervical or butterfly pillow can bunch up and flatten the very shape you paid for. Check the stated dimensions, and check whether the maker sells spare covers. In the archive, the spare covers for shaped pillows get their own shelf, because they fit nothing else. (Rosa asked once why one shelf holds covers for two pillows. I told her those two pillows have opinions.)

Care is decided by the fill

Read the care tag first. Molded foam usually has a washable cover and a foam core you can only spot clean. Shredded foam and fiber vary by maker. Latex usually can't go in the washer at all.

If a listing says "machine wash" without saying what, assume it means the cover until the maker says otherwise. The care column shows exactly what's stated. The how to wash pillows guide covers the rest.

Give a new shape a week

A shaped pillow will feel odd the first night. Your head goes into a dip and your neck meets a firm edge. Give it about a week before you decide, and try the other roll or orientation before you give up on it. Check the maker's trial or return terms on the listing before you open the box, since some don't take back opened pillows.

Goldilocks tried three beds before one was right. With shaped pillows it's usually the second roll, not the third pillow.

Who should skip an ergonomic pillow

You probably don't need one if:

For a worn-out pillow you like, buy the same fill and height again. For everyone else, the pillow quiz asks a few questions about how you sleep, and best sleeping positions covers the general picture.

Nearby pages

The neck pillows page splits bed neck pillows from travel ones. The memory foam pillows page explains the fill most shaped pillows use. For ranked lists by shape, see best orthopedic pillows and best cervical pillows. For using one correctly, see how to use a cervical pillow.

Brands in this list

Related

Questions people ask

What is an orthopedic pillow?

An orthopedic pillow is a bed pillow shaped to hold your head and neck in a set position, usually with a raised neck roll, a center dip or side cutouts. "Orthopedic" is a product name, not a standard or a rating, and no agency checks that a pillow earns it. Read the stated shape, loft and sleep position instead of the word on the box.

Is an orthopedic pillow the same as an ergonomic pillow?

In listings, yes, almost always. Makers use ergonomic, orthopedic, therapeutic and contour for the same group of shaped bed pillows, and sometimes all four words in one title. The table on this page groups them by the shape the maker states, so the name doesn't decide where a pillow lands.

What is a therapeutic pillow?

"Therapeutic pillow" is another marketing name for a shaped bed pillow, most often a cervical design with a raised neck roll. The word doesn't mean the pillow treats anything. When a listing makes a health claim, our table shows the maker's wording in quotes as the maker's own statement.

What is an orthopedic neck pillow?

Usually a cervical pillow: a bed pillow with a center cradle for the head and a firm roll under the neck. Some listings use the same name for a travel pillow worn around the neck, so check the pillow type field. Bed versions are on this page and the cervical pillows page; travel ones are on the travel pillows page.

Can I buy an orthopedic pillow on Amazon?

Yes. Every pillow in the table links to its Amazon listing through the Check price button. Before you buy, read the listing's size names, loft and care section, because shaped pillows are often sold in body sizes instead of bed sizes, and the cover is often the only washable part.

Sources

  1. CertiPUR-US — About the CertiPUR-US program — accessed 2026-10-27
  2. NIST Handbook 130 (2026), Uniform Packaging and Labeling Regulation §10.9.2 Textiles — accessed 2026-10-27