Down

Also known as: Duck Down, Goose Down, Down Feathers
natural animalproteinBiodegradable

Ultra-lightweight natural insulation material from waterfowl, providing exceptional warmth-to-weight ratio.

About Down

Down consists of the soft, fluffy undercoating of waterfowl, primarily ducks and geese. These three-dimensional clusters trap air effectively, providing outstanding insulation properties.

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Key Properties

Density

0 g/cm³

Tensile Strength

10 MPa

Elongation at Break

20%

Moisture Regain

10%

Fiber Diameter

15 μm

Performance Characteristics

Moisture Absorption

good

Wicking Capability

fair

Abrasion Resistance

poor

UV Resistance

good

Dyeability

good

Wrinkle Resistance

excellent

Pilling Resistance

fair

Elastic Recovery

good

Sustainability

Biodegradable

Yes

Recyclable

No

Bio-based Content

100%

Common Applications

jacketssleeping bagscomforterspillows

Outdoor Performance Apparel

Prized in high-performance jackets and vests, down's exceptional warmth-to-weight ratio makes it ideal for mountaineering and cold-weather exploration. Its ability to trap body heat while remaining incredibly lightweight allows athletes and adventurers to stay warm without being weighed down.

Sleeping Bags

Widely used in expedition and camping sleeping bags, down clusters compress tightly for easy packing yet loft fully to create a thick, insulating layer. This combination of compressibility and thermal efficiency makes it the preferred fill for backcountry and alpine overnight gear.

Luxury Bedding

Down fills premium comforters and pillows throughout the home textiles market, offering a uniquely soft, cloud-like feel alongside superior insulation. Its natural breathability helps regulate sleep temperature, making down bedding a long-favored choice for restful, comfortable nights.

Strengths

  • Exceptional warmth
  • Ultra-lightweight
  • Compressible

Limitations

  • Loses insulation when wet
  • Expensive
  • Ethical concerns