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Microgel: Understanding the Composition of Pillow and Duvet Filling

  • Writer: Otelia
    Otelia
  • Sep 17
  • 3 min read
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In the hospitality sector, more and more establishments are choosing pillows and duvets filled with microgel. But what exactly is microgel, and why is it such a popular filling material?

 

Here’s a technical overview of this fiber and a presentation of the many benefits it brings to hotel bedding.


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What Is Microgel?

Microgel is an ultra-fine synthetic fiber, usually made of polyester, designed to mimic the lightness and softness of natural down. This type of filling is often categorized as a microfiber.

 

What makes microgel unique is the extreme fineness of its filaments—they can be up to ten times thinner than a human hair. These ultra-thin fibers naturally create tiny air pockets, contributing to balanced loft, effective thermal insulation, and natural breathability.

 

In other words, microgel-filled pillows and duvets provide a cocoon-like comfort without overheating. Their structure helps regulate body temperature during sleep, reducing excessive perspiration for certain sleepers.

 

The fibers used in microgel are sometimes siliconized to enhance smoothness and durability. The result: a filling that resists clumping after washing and retains a fresh, uniform appearance over time..

A Word About Polyester

Polyester—the base material for microgel and many other microfibers—is a polymer widely used in the textile industry thanks to several key advantages:

 

  • Resistance to moisture and shrinkage

  • Excellent wash performance, even in industrial cycles

  • Low water absorption, allowing for quick drying

  • Extended lifespan, even after many washes

 

These features make polyester a strategic choice for high-use hospitality bedding.

How to Compare Microgel Fillings?


For Pillows

Fiber fineness (denier): An index such as 1.2D (D = denier) is sometimes used to indicate fiber thickness. The higher the number, the thicker the fibers, which typically results in a firmer pillow.

 

Total pillow weight: At equal dimensions, a heavier pillow contains more filling, meaning higher density. This usually translates into firmer support.

 

These two indicators can help you select the ideal comfort level for your clientele—soft, medium, or firm support.


For Duvets

g/m² (grams per square meter): This is a key measure of the weight and density of synthetic duvet filling.

 

Generally speaking, the higher the g/m², the warmer, thicker, and more enveloping the duvet will be. But the goal is always to provide the right level of warmth. A lighter fill may be preferable for warm seasons or well-heated rooms.

 

The Benefits of Microgel for Hotels

In addition to delivering excellent comfort for guests, microgel filling offers several practical and economic benefits, explaining its popularity in the hospitality market.


Easy Care and Enhanced Hygiene

Microgel-filled pillows and duvets are machine washable, quick drying, and resistant to repeated laundering without losing shape.

 

Some models are even hypoallergenic, making them ideal for guests sensitive to allergens or feathers.


Consistency

Unlike natural down, which can vary in quality from batch to batch, microgel ensures consistent manufacturing. This provides guests with a uniform sleeping experience and simplifies inventory management for hotels.


Durability

Thanks to the resilience of synthetic fibers, microgel maintains its loft and comfort even after multiple washes.


Cost-Effectiveness

Microgel provides high levels of comfort at a generally lower cost than natural down—without compromising on quality.


Microgel vs. Natural Down: Comparison Table

For hotels seeking high-quality bedding, microgel products are often a more strategic choice than those filled with natural down.

Criteria

Microgel (synthetic fiber)

Natural down

Thermal comfort

Very good insulation, breathable, suitable year-round

Excellent insulation, often warmer

Feel

Soft and plush, similar to down

Naturally fluffy, lighter feel

Hypoallergenic

Yes – contains no natural allergens

No – may contain allergens (dust mites, feathers, etc.)

Care

Machine washable, quick drying, easy to maintain

Delicate care, often requires dry cleaning

Wash durability

Excellent performance, even under industrial washing

May lose loft or clump over time

Price

Affordable, excellent value for money

High cost, especially premium goose down

Consistency

Uniform from one product to another

Varies by origin and down quality

Environmental impact

Synthetic, recyclable depending on process

Natural, but dependent on farming practices

Suitable for hotels

Yes – hygienic, stable, easy to manage

Yes, but requires more care

Explore Our Microgel and Microfiber Bedding


In summary, microgel offers a comfortable, easy-to-maintain, and durable solution perfectly suited to the hospitality industry.

 

At Otelia, we offer a wide range of hotel pillows and duvets filled with microgel or microfiber, each designed to deliver the advantages outlined in this article. Our products are available in multiple sizes to fit all bed dimensions.


Request a free quote today to receive a personalized price based on your order volume. Our team will be happy to supply your hotel with the right products to meet your needs.

 
 
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