
When it comes to sleeping bags, goose down has long been the standard for insulation, but duck down is a cheaper and more abundant alternative. Both types of down refer to the fibres found beneath the exterior feathers of the bird, predominantly on the underside, where they provide insulation. The main difference between duck and goose down is the size of the bird, which affects the size of the down plumes. Geese are larger birds, so they have bigger down plumes, which provide greater loft and higher fill powers. This means that goose down sleeping bags tend to be warmer and more durable than duck down sleeping bags. However, duck down is making serious inroads into the market due to its lower price point and ample supply.
| Characteristics | Values |
|---|---|
| Warmth | Duck and goose down sleeping bags are warmer than synthetic bags of the same weight. Goose down is warmer than duck down. |
| Weight | Down is the warmest insulator for its weight. |
| Compressibility | Down is very compressible. |
| Durability | Down sleeping bags can last for generations if cared for properly. Synthetic bags lose their functionality over time. |
| Water resistance | Down loses its insulating power when wet and takes a long time to dry. Synthetic insulators are more water-resistant. |
| Allergies | Some people may be sensitive or allergic to goose down. |
| Price | Duck down is cheaper than goose down. |
| Fill power | The higher the fill power, the warmer the bag. Goose down has higher fill power than duck down. |
| Loft power | Goose down has higher loft power than duck down. |
| Availability | Duck down is more abundant than goose down. |
| Odor | Duck down has a stronger odor than goose down. |
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What You'll Learn

Duck down is cheaper and more abundant
Duck down is more abundant and cheaper than goose down. This is because people consume more duck than goose, so duck down is more readily available and affordable for manufacturers to buy. These savings are then passed on to the consumer.
However, goose down tends to be of better quality and insulates better. This is because geese are larger birds, so they have larger down clusters and plumes, which provide greater loft and fill power. Fill power is a measure of fluffiness, and the fluffier the down, the warmer the sleeping bag. Goose down sleeping bags are therefore able to provide greater warmth for their weight.
Duck down is also said to be more prone to smelling bad when it gets wet, whereas goose down does not have this issue. Duck down is therefore often avoided. However, new technologies are being developed to yield higher fill powers from cheaper duck down, and once these equal fill powers are achieved, duck and goose down insulate identically.
Ultimately, the decision between duck and goose down comes down to warmth versus price. Duck down is a more cost-effective option, whereas goose down will keep you cozier, but at a higher price.
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Goose down has higher fill power
When it comes to sleeping bags, goose down has been the standard for insulation in outdoor gear. However, duck down is becoming a more popular option due to its lower price point and ample supply. But how do the two types of down compare in terms of fill power?
Fill power is a term used to describe the quality of down, with higher fill power indicating better quality. Goose down tends to yield higher fill powers than duck down due to the larger size of geese. The down clusters from geese are bigger and have higher lift, resulting in greater loft and the ability to trap and redistribute more warmth. This makes goose down the preferred choice for high-end insulated outdoor products, such as sleeping bags, where maximizing warmth-to-weight ratio is crucial.
While duck down may have a lower fill power, it does not mean that it is not a good option for sleeping bags. Duck down is more abundant and cheaper, making it a cost-effective choice for consumers. Additionally, new technologies are being developed to increase the fill power of duck down, narrowing the gap between duck and goose down in terms of insulation properties.
It is worth noting that the performance of duck and goose down can vary within the same fill power range. The quality of the down can be influenced by factors such as the breed, age, and condition of the bird, as well as the skill of the processor and the quality of any proofing applied. Therefore, it is essential to consider other factors besides fill power when choosing between duck and goose down sleeping bags.
In summary, goose down generally has higher fill power and is the preferred choice for high-end insulated outdoor gear. However, duck down is a more cost-effective option and, with advancements in technology, is becoming increasingly comparable to goose down in terms of insulation properties. The decision between duck and goose down sleeping bags ultimately depends on specific needs and preferences.
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Duck down is less insulating and smells worse when wet
Duck down is less insulating than goose down. This is because geese are larger animals than ducks, and therefore they have larger down plumes. These larger plumes provide greater loft for their weight, which is why goose down is used for high-end insulated outdoor products. Duck down sleeping bags are cheaper and more abundant, but they are less insulating.
Duck down also has a stronger odour when wet. Duck feathers give off a smell similar to ammonia when wet, which is why they are not recommended for sleeping bags. Down loses its insulating power when wet, and duck down is particularly prone to smelling bad in these circumstances.
Goose down sleeping bags are also generally more expensive and of better quality. The best quality down comes from mature birds, and ducks are usually slaughtered at a younger age. However, there are some instances where high-quality duck down can be preferable to mediocre goose down.
Down is a natural product, so its performance can vary depending on the breed, age, and condition of the bird. It is also dependent on the skill of the processor and the quality of any proofing applied. Down sleeping bags are also not suitable for family camping, as they are prone to getting wet and taking a long time to dry. Synthetic sleeping bags are more suitable for families, as they are easier to clean and dry.
Overall, duck down sleeping bags are less insulating and smell worse when wet compared to goose down. However, duck down bags are more cost-effective and widely available.
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Goose down is more durable
When it comes to choosing a sleeping bag, there are several factors to consider, such as the bag's warmth, weight, durability, and cost. Down sleeping bags, made from duck or goose feathers, are popular among campers, hikers, and outdoor enthusiasts due to their superior warmth-to-weight ratio and compressibility.
While both duck and goose down have insulating properties, goose down is generally considered more durable and of higher quality. Here's why goose down is more durable:
Larger Plumes and Higher Fill Power
Geese are larger birds than ducks, resulting in larger down plumes or clusters. The size of the plumes is crucial because it contributes to higher fill power. Fill power is a measure of the fluffiness or loft of the down, indicating how many cubic inches of space one ounce of down can fill. Goose down typically achieves higher fill powers due to its larger plumes, making it the preferred choice for high-end insulated products.
Superior Resilience and Longevity
The larger plumes of goose down also contribute to its superior resilience and durability. The bigger feathers are less prone to breaking, which means they can withstand more wear and tear. As a result, goose down sleeping bags are likely to last longer, provided they are properly cared for.
Better Insulation and Warmth
Goose down tends to provide better insulation and warmth compared to duck down. The larger plumes of goose down have higher lift, allowing them to trap and redistribute more warmth. This makes goose down sleeping bags ideal for colder climates or winter camping.
Sourcing and Availability
The availability of duck and goose down can also impact their durability. Ducks are consumed more frequently than geese, resulting in a higher abundance of duck down, which is cheaper for manufacturers to source. On the other hand, goose down is sourced from older, larger birds, contributing to its higher quality and durability.
Odor Resistance
Goose down is also known for its superior odor resistance compared to duck down. Duck feathers tend to give off an ammonia-like smell when they get wet, while goose down does not have the same issue. This makes goose down more suitable for extended trips or humid environments.
In conclusion, when considering the durability of duck or goose down sleeping bags, goose down emerges as the more durable option. Its larger plumes, superior resilience, better insulation, and odor resistance make it a preferred choice for those seeking a long-lasting and high-performance sleeping bag. However, it's important to note that proper care and maintenance, such as regular washing and drying, are essential to maintaining the durability of any down sleeping bag.
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Duck down is more readily available
However, goose down has been the standard for insulation in outdoor gear. It is of better quality and insulates better than duck down. Geese are bigger birds, so they have larger down clusters and plumes with higher lift, trapping and redistributing more warmth. Goose down also tends to be more robust and resilient. It is also generally more durable than duck down.
The fill power is the most important aspect when comparing goose and duck down. The higher the fill power, the more warmth that can be achieved for a given quantity of down. Because geese are larger animals than ducks, they have larger down plumes. It is these largest plumes that provide the greatest amount of loft for their weight, making them the most sought-after for high-end insulated outdoor products.
However, at lower-quality fill powers, both goose down and duck down perform equally well. In these cases, duck down may be preferred due to its greater supply and lower cost. New technologies are also being developed to yield higher fill powers from cheaper duck down, so duck down products are expected to gain more momentum in the market.
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Frequently asked questions
Down is a natural product that exists as a byproduct of bird consumption. It refers to the down fibres found beneath the exterior feathers of the bird, predominantly on the underside of the bird, where they provide insulation.
Fill power is a term used to describe the quality of down. The higher the fill power, the more warmth that can be achieved for a given quantity (i.e. weight) of down.
Goose down is generally considered superior to duck down due to its higher fill power, which means it can provide greater loft and warmth. However, high-quality duck down with a similar fill power to goose down can perform just as well, if not better, and at a lower price point.
Goose down sleeping bags are warmer and more durable than duck down alternatives. They are also less prone to smelling bad when wet.
Duck down sleeping bags are more abundant and cheaper than goose down options. Duck down is also easier to compress into a small volume, making it ideal for backpacking.










































