Sylvaris
Sylvaris Shredded Memory Foam Cooling Bamboo King Pillow: Detailed Spec Analysis
The Sylvaris King pillows stand out with their adjustable shredded memory foam fill , only about 29% of pillows offer customizable loft, letting you dial in the exact thickness for your sleep position. The soft bamboo viscose cooling layer and OEKO-TEX certification make this a solid pick for hot sleepers and allergy sufferers who want hotel-quality bedding without the hotel tier.
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Last updated: . Based on our analysis of 1,100+ pillows.
What Sets It Apart
Key specification highlights based on our analysis.
Shredded Memory Foam Fill
Fill type: shredded memory foam
Adjustable Loft
Customizable fill amount (325 out of 1134 pillows offer this)
Cooling Technology
Bamboo cooling (642 out of 1134 pillows have cooling)
Pack of 2
Includes 2 pillows
Why We Recommend It
- 01.
Adjustable loft system lets you remove shredded memory foam to fine-tune firmness from soft to medium , works for side, back, and stomach sleepers
- 02.
Bamboo viscose cooling layer promotes airflow through the shredded fill, keeping temperature regulated throughout the night
- 03.
King size at 34x19 inches with 5.26 lbs per pillow provides substantial support without going flat
- 04.
OEKO-TEX certified and hypoallergenic , tested free from harmful substances, resists dust mites and allergens
- 05.
Set of 2 improves per-pillow value and ensures matching bedding on both sides
Considerations
- 01.
Machine washable cover only , the shredded memory foam fill itself requires spot cleaning, which limits deep-clean convenience
- 02.
At 5.26 lbs per pillow, these are heavier than standard polyester fiber pillows, which may feel bulky for some users
- 03.
Size perception varies , some customers find them larger than expected, so measure your pillowcases before purchasing
Technical Specifications
| Feature | Specification |
|---|---|
| Pillow Size | King |
| Pack Count | 2 |
| Dimensions | 34" L x 19" W |
| Weight Per Pillow | 5.26 lbs |
| Total Weight | 10.52 lbs |
| Fill Material | Shredded memory foam |
| Fill Type | Shredded |
| Adjustable Loft | Yes |
| Firmness Level | Soft |
| Adjustable Firmness | Yes |
| Cover Material | Polyester |
| Washable Cover | No |
| Cooling Technology | Bamboo |
| Side Sleeper | Yes |
| Back Sleeper | Yes |
| Stomach Sleeper | Yes |
| Neck Alignment | Yes |
| Machine Washable | Cover Only |
| Certifications | OEKO-TEX, hypoallergenic |
Fill & Construction
The Sylvaris uses shredded memory foam fill rather than a solid block, which is the key to its adjustable loft design. You can unzip the cover and add or remove foam pieces to customize thickness and firmness.
The shredded construction also creates air channels between the foam pieces, improving breathability compared to traditional solid memory foam pillows.
Firmness & Support
Out of the box, these pillows lean soft with the option to adjust toward medium firm by packing the fill tighter. Customer feedback confirms the soft-to-medium range, with users noting the pillows maintain their shape well over time.
The adjustable nature makes these genuinely versatile for neck alignment across all three sleep positions , build it up for side sleeping or thin it out for stomach sleeping.
Cooling & Breathability
The bamboo viscose cover is the primary cooling feature here, delivering what the design calls refreshing cool comfort against the skin. The shredded memory foam interior complements this by allowing airflow between foam pieces , something solid memory foam simply cannot do.
Customers specifically report staying cool throughout the night, which validates the bamboo and shredded fill combination.
Care & Durability
The polyester outer cover is removable and machine washable, making regular maintenance straightforward. The shredded memory foam fill itself should be spot-cleaned only.
With OEKO-TEX certification, the bedding fabrics and foam have been tested for harmful substances. At 5.26 lbs per pillow, the generous fill quantity suggests good longevity before the foam compresses.
Who Is This Pillow For?
Ideal For
- ✓ Stomach sleepers who need a low-profile option , remove fill to create a thin, soft pillow that prevents neck strain in face-down positions
- ✓ Hot sleepers frustrated with overheating , the bamboo viscose cover and shredded foam design allow airflow that solid memory foam blocks
- ✓ Side and back sleepers seeking neck alignment , adjust the loft higher for side sleeping or lower for back sleeping to maintain proper cervical support
- ✓ Allergy sufferers who want certified-safe bedding , OEKO-TEX tested and hypoallergenic materials resist common allergens
Not Ideal For
- ✕ Sleepers who prefer a firm, non-adjustable pillow with zero maintenance , the shredded fill needs occasional fluffing to maintain even loft
- ✕ Anyone who wants a fully machine-washable pillow (fill included) , only the polyester cover is machine washable
- ✕ Travelers or minimalists , at 5.26 lbs each, these are designed for permanent bedding setups, not portability
These pillows typically arrive compressed and vacuum-sealed. Allow 24-48 hours for the shredded memory foam to fully expand and off-gas before use.
Once expanded, adjust the fill amount to your preferred loft by unzipping the cover and removing or redistributing foam.
Toss the pillows in the dryer on low heat for 10-15 minutes after unboxing to speed up expansion and fluffing
Save any removed foam in a bag , you may want to add fill back as the pillow breaks in over the first few weeks
Warranty details should be verified directly with Sylvaris, as specific coverage terms are not listed in the product data. Check the packaging or product insert for manufacturer warranty information upon delivery.
FAQ
Can I adjust the Sylvaris pillow to work for stomach sleeping?
Yes , this is one of its strongest features. Unzip the bamboo viscose cover, remove shredded memory foam until the pillow sits at a low, soft profile, and you'll avoid the neck strain that thicker pillows cause for stomach sleepers.
The adjustable loft design makes it rated excellent for stomach sleeping.
How do the Sylvaris pillows stay cool at night?
Two mechanisms work together: the bamboo viscose cover wicks moisture and feels cool to the touch, while the shredded memory foam fill allows air to circulate between the foam pieces. Customers confirm the pillows maintain their cooling temperature throughout the night, unlike solid memory foam that traps heat.
Are Sylvaris pillows machine washable?
The removable polyester cover is machine washable, but the shredded memory foam fill should be spot-cleaned only. For regular maintenance, wash the cover and tumble dry on low.
This is standard for most shredded foam pillows.
Will these King pillows fit standard King pillowcases?
At 34x19 inches, these are standard King dimensions and should fit most King pillowcases. However, some customers note the pillows feel larger than expected when fully stuffed, so if your pillowcase runs small, consider removing a bit of fill for a better fit.
Are Sylvaris pillows safe for people with allergies?
Yes. The pillows are both OEKO-TEX certified , meaning the bedding fabrics and foam have been independently tested free from harmful substances , and hypoallergenic.
The materials naturally resist dust mites and common allergens, making them a strong choice for allergy sufferers.
Do the Sylvaris shredded memory foam pillows go flat over time?
Customer feedback indicates these pillows maintain their shape well. At 5.26 lbs per pillow, the generous amount of shredded memory foam provides substantial loft.
If you notice any flattening over time, you can redistribute the fill inside the pillow or fluff it in the dryer on low heat to restore volume.
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Bottom Line
The Sylvaris shredded memory foam pillows deliver genuine versatility through their adjustable loft system, solid cooling performance from the bamboo viscose design, and OEKO-TEX certified safety. They're a smart buy for couples or mixed-position sleepers who want one pillow that adapts to different needs.
If you prioritize a fully washable pillow or prefer firm, structured support, look elsewhere.
Best for adjustable-loft seekers who sleep in multiple positions and run hot at night
Consider alternatives if you need a fully machine-washable pillow or prefer firm, non-adjustable support
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