Ashwin Lewis
A draft collar is a feature of a sleeping bag that helps retain warmth. It is a tube of fabric, often filled with goose or duck down, that wraps around the sleeper's neck and shoulders. This prevents warm air from escaping and cold air from entering the bag when the sleeper moves, a phenomenon known as the bellows effect. Draft collars are desirable features usually found on premium sleeping bags designed for cold-weather camping and backpacking.
| Characteristics | Values |
|---|---|
| Description | A tube of fabric, usually filled with goose or duck down |
| Location | Just below the hood of a sleeping bag or the head end of a backpacking quilt |
| Function | Prevents warm air from escaping when you move around at night by sealing the top of the bag around you |
| Use case | Cold-weather camping and backpacking |
| Adjustability | The user can pull a drawcord to adjust the collar |
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What You'll Learn
Draft collars prevent warm air from escaping
A draft collar is a tube of fabric, usually filled with goose or duck down, located just below the hood of a sleeping bag. It is designed to wrap around the sleeper's neck, shoulders, and upper chest, preventing warm air from escaping from inside the bag. This phenomenon, where hot air is forced out of the top of the bag due to the sleeper's movement, is known as the "bellows effect". The draft collar acts as a seal, ensuring warm air stays inside the bag.
Draft collars are particularly useful in cold weather camping and backpacking scenarios. They are especially beneficial for those who prefer not to tighten the hood of their sleeping bag around their head. The collar allows for a looser fit around the face while still retaining warmth in the torso of the bag. This is achieved by separating the air around the head and hood area from the air around the torso.
The effectiveness of a draft collar can depend on the temperature and the rating of the sleeping bag. For example, a draft collar may be more critical when using a 10°F-rated bag in -30° weather. Additionally, some people may find the collar uncomfortable or confining, while others appreciate its warmth.
Overall, a draft collar is a valuable feature for those seeking to prevent warm air from escaping their sleeping bag in cooler conditions. It offers a way to maintain warmth without the need to tightly cinch the hood of the bag, providing a more comfortable and flexible sleeping experience in cold weather.
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They are tubes of fabric, filled with goose or duck down
Draft collars are tubes of fabric, usually filled with goose or duck down. They are located just below the hood of a sleeping bag, designed to wrap around the sleeper's neck, shoulders, and upper chest. The purpose of a draft collar is to prevent warm air from escaping and cold air from entering the sleeping bag when the sleeper moves around at night. This is known as the "bellows effect".
The collar acts as a seal at the top of the bag, preventing the hot air inside the bag, heated by the sleeper's body heat, from escaping. This feature is particularly desirable for premium sleeping bags designed for cold-weather camping and backpacking. Draft collars are also useful for those who prefer not to tighten the hood of their sleeping bag around their head, allowing for a more comfortable and less confined feeling while still retaining warmth.
In extremely cold weather, the effectiveness of a draft collar may be limited, and combining it with a quilt or additional clothing may be necessary to stay warm. However, some users have found that a down jacket or an overquilt does not fully address the issue of heat retention in such conditions.
The insulated and elastic nature of draft collars allows for adjustability, with some featuring a drawcord that the user can pull to tighten the collar around their neck. This separation of the air around the head and hood area from the air around the torso helps to trap heat effectively. Overall, draft collars are a valuable feature for many campers and backpackers, enhancing the warmth and comfort of their sleeping bags.
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Draft collars are located just below the hood of a sleeping bag
Draft collars are an important feature of sleeping bags, especially in colder weather. They are located just below the hood of a sleeping bag, designed to wrap around the sleeper's neck, shoulders, and upper chest. Draft collars are usually filled with goose or duck down and are sometimes insulated and elasticated. They are adjustable, allowing the user to pull a drawcord to cinch the collar around their neck, creating a seal that separates the air around the head and torso. This prevents warm air from escaping and cold air from entering the bag when the sleeper moves, a phenomenon known as the "bellows effect".
The draft collar is particularly useful for those who prefer to keep the hood of their sleeping bag loose rather than tightly closed around their head. In these cases, the draft collar can make a significant difference in retaining warmth. However, some people find the collar uncomfortable or confining. Additionally, in extremely cold weather, the draft collar may not be sufficient to keep the sleeper warm, and combining bags or using an overquilt may be necessary.
The effectiveness of a draft collar also depends on the temperature rating of the sleeping bag. For example, a 10°F bag may be more suitable for colder temperatures than a 20°F bag with a similar draft collar design. Some manufacturers, like Feathered Friends, are known for their effective draft collar designs, while others may offer bags with minimal or passive collars that some users find inadequate for their needs.
Ultimately, the decision to include a draft collar on a sleeping bag depends on personal preference. While some people find them useful for trapping heat and keeping their torso warm, others may not consider them a critical feature. Those who prefer to keep their hood tightly cinched may also find that a draft collar is less necessary. However, for those who enjoy the comfort and warmth of a loose hood, a draft collar can be a desirable feature when selecting a sleeping bag for camping or backpacking trips.
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They are adjustable, with a drawcord
A draft collar is a tube of fabric, usually filled with goose or duck down, located just below the hood of a sleeping bag. It is designed to prevent warm air from escaping and cold air from entering when you move around at night. This is known as the "bellows effect". Draft collars are highly desirable, especially in colder weather, as they seal the top of the bag around you.
The draft collar is adjustable, with a drawcord that allows you to loosen or tighten the collar around your neck. This adjustability is crucial as it enables you to control the airflow around your head and torso. For example, if you prefer to keep the hood of your sleeping bag a little loose, you can tighten the draft collar to prevent heat from escaping. On the other hand, if you prefer to cinch the hood tightly around your head, you can loosen the draft collar to maintain comfort while still retaining warmth.
The ability to adjust the draft collar with a drawcord is especially useful in extremely cold weather. In such conditions, the draft collar can be tightened to create a seal that effectively traps heat inside the bag. This adjustability ensures that you can customise the sleeping bag to your preferences and the prevailing weather conditions, maximising warmth and comfort.
It is worth noting that while some people appreciate the warmth provided by a draft collar, others may find it uncomfortable or confining. Ultimately, the adjustability provided by the drawcord can help accommodate individual preferences and ensure a pleasant sleeping experience in various weather conditions.
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Draft collars are desirable for cold-weather camping
A draft collar is a tube of fabric, usually filled with goose or duck down, located just below the hood of a sleeping bag. It is designed to wrap around the sleeper's neck, shoulders, and upper chest, functioning as a seal to prevent warm air from escaping and cold air from entering the bag. This phenomenon is known as the "bellows effect".
The effectiveness of a draft collar is evident in extreme cold-weather conditions. For example, a user camping in temperatures of −30 degrees in Montana found that their draft collar was useful, despite their bag being rated for a higher temperature. The draft collar helped trap heat, and the user suggested that it would be even more beneficial if used with a bag rated for the conditions they were in. This highlights the value of draft collars in providing additional warmth and comfort in cold-weather camping.
While some people may find draft collars uncomfortable or confining, they can be a valuable feature for those camping in cold weather. The ability to adjust the collar using a drawcord allows for personal preference and ensures that the sleeping bag can be adapted to varying conditions. Draft collars are typically found on premium sleeping bags designed for cooler weather, indicating their effectiveness in maintaining warmth during cold-weather camping trips.
In summary, draft collars are desirable for cold-weather camping as they help retain warmth, separate the air around the head and torso, and provide comfort and adjustability. They are a valuable feature for those seeking to stay warm and comfortable during their outdoor adventures in colder climates.
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Frequently asked questions
A draft collar is a tube of fabric, usually filled with goose or duck down, located just below the hood of a sleeping bag. It is designed to prevent warm air from escaping and stop cold air from entering when you move around at night.
The collar wraps around the sleeper's neck, shoulders, and chest, sealing the top of the bag around them. This prevents the bellows effect, where hot air is forced out of the top of the bag when the sleeper moves.
Whether a draft collar is necessary depends on the user's preferences and the conditions in which they are sleeping. Some people find them uncomfortable or confining, while others find them useful in keeping warm, especially in cold weather.
