
When choosing a sleeping bag, it's important to consider its length, as the right fit will ensure maximum warmth and comfort. The ideal sleeping bag length should give you enough room to move around without sacrificing heat retention. It should fit your height as closely as possible without compressing the down in the footbox or hood. The length of a sleeping bag is particularly important if you plan to zip two bags together, as they will only zip together as far as the shorter zipper will allow.
| Characteristics | Values |
|---|---|
| Length | The length of the sleeping bag should be chosen based on the height of the individual. Men’s sleeping bags usually come in two lengths: regular (for people up to 6 feet) and long (up to 6 feet 6 inches). A short version is sometimes available, fitting people up to 5 feet 6 inches. Women’s bags have different length options, usually up to 5 feet 4 inches and 5 feet 10 inches. |
| Shoulder girth | The shoulder girth is the circumference of the sleeping bag across the shoulders. Most men’s sleeping bags have a shoulder girth between 60 and 64 inches, while women’s bags are usually slightly narrower, ranging from 56 to 60 inches. |
| Hip girth | The hip girth is the circumference of the sleeping bag across the hips. Men’s bags typically have a hip girth of around 58 inches, while women’s bags are often wider, up to 60 inches, to accommodate wider hips. |
| Temperature rating | Choose a sleeping bag with a temperature rating lower than the lowest temperature expected. The "lower limit" rating is for warm sleepers, while the "comfort" rating is for cold sleepers. |
| Insulation type | The type of insulation is an important consideration, with down and synthetic insulation being the two main options. Down bags use baffled constructions, while synthetics use quilted or shingled constructions to distribute insulation evenly. |
| Weight | The weight of the sleeping bag depends on the quality of insulation and the cut of the bag. A longer bag may be heavier and bulkier, which can be a consideration if space is limited. |
| Comfort | A sleeping bag should provide a balance between comfort and thermal efficiency. A bag that is too narrow may restrict movement and cause discomfort, while a bag that is too roomy may sacrifice warmth. |
| Extra features | Consider extra features such as adjustment options, stash pockets, and pad compatibility to enhance the functionality of the sleeping bag. |
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What You'll Learn

Sleeping bag length depends on your height and the brand
The length of a sleeping bag you should choose depends on your height, the brand, and the type of bag. Sleeping bags come in different lengths, with men's bags typically offering a choice of two standard lengths: regular (for people up to 6 feet tall) and long (for people up to 6 feet 6 inches tall). A short version is sometimes available, fitting individuals up to 5 feet 6 inches. Women's sleeping bags are usually shorter, with regular and long options typically accommodating heights of up to 5 feet 4 inches and 5 feet 10 inches, respectively. However, these measurements can vary slightly depending on the brand and style.
Your height is a critical factor in selecting the right sleeping bag length. The bag should be long enough to accommodate your body comfortably without being excessively roomy. Excess space at the footbox can result in wasted energy as you try to warm the empty air, compromising the warmth of your feet and head. Therefore, it is generally recommended to choose the shortest sleeping bag that fits your height.
The brand and model of the sleeping bag can also impact the length that will suit you. Different brands may have slightly different measurements for the same size category. Additionally, the cut and shape of the bag can affect the fit. Some bags may be narrower or wider in certain areas, influencing the overall length required for a comfortable fit. Therefore, it is advisable to refer to the manufacturer's specifications and dimensions when selecting a sleeping bag.
Another consideration is the type of sleeping bag. Mummy-style sleeping bags, for instance, are designed to fit snugly around the body, and the length may be particularly important to ensure comfort and adequate warmth. In contrast, quilt-style bags may offer more flexibility in length since they do not typically cover the head.
Finally, the intended use of the sleeping bag can influence the preferred length. For example, if you plan to use the bag in colder temperatures, a longer bag may be advantageous as it provides extra space to store items like water bottles, electronics, and extra clothing to keep them warm.
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Longer bags are good for storing items in freezing temperatures
When choosing a sleeping bag, it's important to consider the length that is right for you. While a bag that fits your height closely will help retain heat, longer bags are good for storing items in freezing temperatures.
If you're planning to stash extra gear, clothing, or water bottles in your sleeping bag, a longer bag will provide the necessary space. This is especially useful in freezing temperatures, where you need to keep water from freezing and batteries from dying. A bag that's too small could force you to compress the down surrounding the footbox, resulting in cold spots and cold feet. Additionally, if you plan to wear extra layers to bed in colder temperatures, a longer bag will provide the needed room without restricting your movement.
The weight and bulk of a longer bag are important considerations, especially for backpacking trips where minimizing weight and maximizing packability are crucial. However, if you're car camping, you can opt for a longer bag without worrying about bulk or weight constraints.
When choosing a bag length, it's also essential to consider the specific bag model and your body type. Different manufacturers may have varying dimensions for the same bag length. Therefore, it's recommended to try out different bags and refer to the manufacturer's sizing information to find the best fit.
In summary, longer sleeping bags offer the advantage of extra storage space for items like gear, clothing, and water bottles, making them useful in freezing temperatures. However, weight, bulk, and specific bag dimensions should also be considered when making a purchase decision.
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The bag should be long enough to allow for a full stretch
However, a longer bag will be heavier and bulkier, which may be a problem if you are backpacking or if your tent is not large enough. You should also consider the width of the bag, as longer bags usually have extra width, which may be unnecessary if you are only interested in the extra length. If you are planning to store gear in the footbox, you should size up.
If you are close to the maximum length of a regular-sized sleeping bag, it may be worth trying out a few different bags to see which one gives you the most comfortable amount of space. While a regular-sized bag may give you just enough room, a longer bag may leave you with too much extra space, which will be heavier and harder to keep warm.
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A bag that is too long may not fit in your tent
When choosing a sleeping bag, it is important to consider its length. While a sleeping bag that is too short might restrict your movement, a bag that is too long can be cumbersome and may not fit in your tent.
Firstly, it is worth noting that sleeping bag lengths vary by brand and style. Men’s sleeping bags typically come in two standard lengths: regular (for people up to 6 feet in height) and long (up to 6 feet 6 inches). A short version is sometimes available, fitting people up to 5 feet 6 inches. Women’s bags also come in regular and long, usually accommodating heights of up to 5 feet 4 inches and 5 feet 10 inches, respectively.
If you are planning to go camping or backpacking, it is important to consider the size of your tent when choosing a sleeping bag. A bag that is too long may not fit properly, causing the extra fabric to bunch up and potentially leading to discomfort or damage to your tent. Additionally, a bag that is too long might add unnecessary weight, especially if it is a larger size.
To avoid these issues, it is recommended to choose a sleeping bag that fits your height as closely as possible. This will ensure optimal warmth and comfort while minimising the amount of air space around your body. If you intend to bring extra gear, such as water bottles or boots, consider sizing up or choosing a bag with a larger footbox.
Finally, it is worth noting that zipping two mummy-style sleeping bags together in an emergency may be an option to conserve warmth. However, this method is often neither heat-efficient nor comfortable, and the bags may only zip together as far as the shorter zipper allows.
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A bag that is too narrow will compress the down and create cold spots
When choosing a sleeping bag, it is important to consider the length to ensure a comfortable and functional option. A bag that is too narrow will compress the down and create cold spots, affecting your warmth and comfort.
To avoid this issue, it is recommended to choose a sleeping bag with an appropriate width. The width of a sleeping bag is often referred to as its "cut," and there are three common cuts:
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Frequently asked questions
The basic rule is to get the shortest sleeping bag that fits your height. This will help you maintain warmth by minimising the amount of air you need to heat up and keep warm.
Men’s sleeping bags usually come in two standard lengths: regular (for people up to 6 feet tall) and long (for people up to 6 feet 6 inches tall). A short version is sometimes available, which usually fits people up to 5 feet 6 inches tall. Women’s bags also come in regular and long, with the measurements varying slightly by brand and style.
It depends on your personal preference. While a shorter bag will be warmer, a longer bag will give you more room to move around in. If you're planning to store extra gear in the footbox, you should size up. Longer bags are also useful in freezing temperatures, as they give you space to keep items like water bottles and boots warm.
Measure the circumference of your shoulders with a measuring tape, including your arms. Your ideal sleeping bag width will be this measurement plus 10 inches, plus or minus an inch or two.










































