Ultralight Underquilts For Backpacking

are essential gear for any outdoor enthusiast looking to stay warm and comfortable during their adventures. In this article, you’ll learn about the benefits of using an ultralight underquilt, how to choose the right one for your needs, and some top recommendations to consider. Whether you’re a seasoned backpacker or new to the world of outdoor exploration, this article will provide you with valuable insights to enhance your camping experience. So grab a cup of coffee and get ready to discover the world of ultralight underquilts.

What are underquilts?

Underquilts are specialized insulation systems designed to provide warmth and comfort while hammock camping. Unlike traditional sleeping bags which compress insulation underneath the body, underquilts hang beneath the hammock, creating an insulating layer that traps warmth and prevents air from circulating beneath the camper. This not only enhances comfort but also improves insulation, making underquilts a popular choice for cold-weather backpacking.

Definition of underquilts

Underquilts are quilt-like blankets filled with synthetic or down insulation and are specifically designed to be used with hammocks. They are typically suspended using straps and suspension systems, allowing them to hang freely beneath the hammock and provide extra warmth and insulation from the cold ground. By eliminating the compression of insulation that occurs with sleeping bags, underquilts offer superior insulation and a more comfortable sleeping experience for backpackers.

Purpose of underquilts for backpacking

The primary purpose of underquilts for backpacking is to provide insulation and warmth in a hammock camping environment. When sleeping in a hammock, the body is suspended in mid-air, leaving an air gap beneath the camper. This can lead to the loss of body heat as the cold air circulates beneath the hammock. Underquilts address this issue by creating a barrier between the camper and the cold air, effectively trapping warmth and preventing heat loss. This ensures a cozy and comfortable sleeping experience even in colder temperatures.

Benefits of ultralight underquilts

Reduced weight for backpackers

Ultralight underquilts offer a major advantage for backpackers as they are specifically designed to be lightweight and compact. Traditional sleeping bags often have a bulky and heavy design, making them less suitable for long-distance hiking and backpacking. Ultralight underquilts, on the other hand, are made with lightweight materials and insulation, significantly reducing overall pack weight. This allows backpackers to carry less weight on their journey, resulting in a more enjoyable and efficient hiking experience.

Enhanced insulation for cold weather

One of the main reasons backpackers choose underquilts is their superior insulation capabilities. When sleeping in cold weather, traditional sleeping bags can compress and lose their insulation properties, leaving the camper feeling chilly throughout the night. Underquilts, however, hang beneath the hammock and are unaffected by compression, providing consistent and efficient insulation. This ensures that backpackers stay warm and comfortable even in freezing temperatures, making underquilts a reliable choice for winter camping and cold-weather backpacking adventures.

Improved comfort and sleep quality

Sleeping in a hammock can be an incredibly comfortable and enjoyable experience, but without the proper insulation, it may lead to a night of restless sleep. Underquilts play a crucial role in enhancing comfort and sleep quality. By providing a soft and insulating barrier between the camper and the cold air, underquilts eliminate the discomfort of a cold sleeping surface and prevent drafts from disturbing sleep. The suspension system allows the underquilt to conform to the body’s shape, providing personalized comfort and support. With an underquilt, backpackers can experience a restful night’s sleep and wake up refreshed and ready for the day’s adventures.

Ultralight Underquilts For Backpacking

Features to consider when choosing ultralight underquilts

Weight and packability

When selecting an ultralight underquilt, weight and packability are important considerations. Look for underquilts that are specifically designed to be lightweight and compact, as this will greatly enhance your backpacking experience. Seek out models that utilize lightweight materials and efficient insulation without sacrificing durability or comfort.

Insulation type

Underquilts are available with different types of insulation, including synthetic and down. Synthetic insulation is typically more affordable and performs well even when wet. However, down insulation offers the best warmth-to-weight ratio and compressibility. Down underquilts are highly regarded for their excellent insulation properties and ability to provide warmth in cold conditions. Consider your backpacking needs and preferences when choosing between synthetic and down insulation.

Temperature rating

Underquilts are often assigned a temperature rating, indicating the range of temperatures they are suitable for. It is important to choose an underquilt with a temperature rating that matches your expected camping conditions. If you plan on camping in colder climates, opt for an underquilt with a lower temperature rating to ensure adequate warmth. Conversely, if you primarily camp in milder climates, a higher temperature rating may be sufficient.

Attachment system

The attachment system of an underquilt is an important feature to consider. Look for underquilts that come with a reliable and adjustable suspension system. The suspension system should be easy to set up and allow for precise adjustment to achieve optimal comfort. Consider the compatibility of the attachment system with your hammock and ensure that it provides a secure and stable connection.

Size and coverage

Underquilts come in various sizes and coverage options. Consider the length and width of your hammock to determine the appropriate size of the underquilt. It should cover the entire length of the hammock and provide sufficient insulation on the sides to prevent cold drafts. Some underquilts also have customizable features, such as adjustable footboxes or different attachment points, allowing for a tailored fit.

Durability and materials

Durability is a key factor when choosing an ultralight underquilt. Look for models made with high-quality materials that can withstand the rigors of backpacking and regular use. Reinforced stitching and durable fabrics will ensure that the underquilt lasts for multiple trips without experiencing premature wear and tear. Consider the overall construction and materials to ensure a long-lasting and reliable underquilt.

Popular ultralight underquilt brands

Brand A

Brand A offers a range of high-quality ultralight underquilts that are specifically designed for backpackers. Their underquilts are known for their lightweight construction, superior insulation properties, and durability. Brand A also offers a variety of sizes and temperature ratings to cater to different camping needs. Their attachment system is user-friendly and allows for easy setup, while the overall design provides excellent coverage and comfort.

Brand B

Brand B has gained a reputation for producing ultralight underquilts that offer outstanding warmth and comfort. Their underquilts incorporate innovative insulation technology and durable materials, making them suitable for extreme weather conditions. Brand B also prioritizes weight reduction, allowing backpackers to carry less weight while still benefiting from excellent insulation. With an adjustable suspension system and customizable features, Brand B underquilts offer a personalized and comfortable camping experience.

Brand C

Brand C is known for its ultralight underquilts that excel in both insulation and packability. Their underquilts utilize advanced synthetic insulation technology, providing exceptional warmth and durability. Brand C underquilts are designed to be lightweight and compressible, making them easy to carry and store. The attachment system is simple and secure, ensuring a hassle-free setup. With an emphasis on quality and performance, Brand C underquilts are a reliable choice for backpackers.

Brand D

Brand D offers ultralight underquilts that are renowned for their versatility and comfort. Their underquilts are designed to provide a snug fit and offer excellent temperature regulation. Brand D uses high-quality insulation materials and fabrics to ensure long-lasting performance. The suspension system is adjustable and allows for customized comfort. With their attention to detail and focus on user satisfaction, Brand D underquilts are a popular choice among backpackers.

Brand E

Brand E is a trusted manufacturer of ultralight underquilts that prioritize warmth and insulation. Their underquilts are engineered with superior down insulation and advanced technologies, providing exceptional warmth in cold weather conditions. Brand E underquilts are also highly packable, making them ideal for backpackers seeking to reduce weight. The attachment system is secure and easy to use, ensuring a quick and hassle-free setup. With their commitment to performance and comfort, Brand E underquilts are a top choice for backpacking enthusiasts.

Ultralight Underquilts For Backpacking

How to properly set up an underquilt

Setting up an underquilt may seem daunting at first, but with the right instructions, it can be done quickly and efficiently. Follow these steps to properly set up your underquilt for optimal comfort:

Choosing the right suspension system

Before setting up your underquilt, ensure that you have the appropriate suspension system for your hammock. Different underquilts have different attachment points, so it is important to choose a suspension system that is compatible with your underquilt and hammock. Common options include straps with buckles or adjustable cords with carabiners. Choose a system that offers easy adjustment and a secure connection.

Attaching the underquilt to the hammock

Once you have selected the correct suspension system, attach it to your hammock according to the manufacturer’s instructions. Most underquilts will have dedicated loops or cords that can be connected to the suspension system. Ensure that the underquilt is centered beneath the hammock and evenly distributed for maximum insulation and comfort.

Adjusting the tension for optimal comfort

After attaching the underquilt, adjust the tension to achieve optimal comfort. This will depend on personal preference and the specific design of the underquilt. Some underquilts may require tightening or loosening at specific attachment points, while others may have adjustable shock cords that can be tensioned to your liking. Experiment with different tension levels until you find the perfect balance of support and comfort.

Testing the underquilt setup

After setting up your underquilt, conduct a thorough test to ensure it is properly attached and providing adequate insulation. Sit or lie in your hammock and observe for any noticeable gaps or areas where cold air might seep in. Adjust the tension or attachment points as needed to eliminate any drafts or discomfort. Walk around the hammock while gently shaking it to simulate movement and check that the underquilt remains securely in place. Make any necessary adjustments before settling in for a night of restful sleep.

Tips for maintaining and caring for ultralight underquilts

To maximize the lifespan and performance of your ultralight underquilt, it is important to properly maintain and care for it. Here are some tips to keep your underquilt in top condition:

Cleaning instructions

Follow the manufacturer’s cleaning instructions to ensure proper care for your underquilt. Most underquilts can be machine washed on a gentle cycle using a mild detergent. It is important to rinse the underquilt thoroughly and avoid using harsh chemicals or bleach. After washing, allow the underquilt to air dry completely before packing it away. Avoid using excessive heat or direct sunlight to dry the underquilt, as this can damage the insulation.

Storage recommendations

When not in use, store your underquilt in a clean and dry environment. Avoid compressing the underquilt for extended periods, as this can affect its loft and insulation properties. Instead, hang or loosely fold the underquilt in a storage sack or breathable bag to maintain its loft and shape. Store the underquilt in a cool and dry area, away from direct sunlight and moisture to prevent mold or mildew growth.

Repairing minor damages

If your underquilt sustains minor damages, such as small tears or loose stitching, it is advisable to repair them promptly to prevent further damage. Use a repair kit specifically designed for outdoor gear to mend small rips or tears. Reinforce any loose stitching with a heavy-duty thread or adhesive. It is important to address minor damages as soon as possible to maintain the underquilt’s integrity and performance.

Avoiding moisture accumulation

To prevent moisture buildup and damage to your underquilt, it is essential to properly manage condensation. Ensure proper ventilation in your hammock setup to allow moist air to escape. Avoid camping in low-lying areas or humid environments that are prone to condensation. Additionally, avoid bringing wet or damp clothing or gear into the hammock, as this can introduce moisture that may affect the underquilt’s insulation properties.

Ultralight Underquilts For Backpacking

Alternative insulation options to underquilts

While underquilts offer excellent insulation and comfort for hammock camping, there are alternative options to consider depending on your backpacking preferences and needs. Here are a few alternatives to underquilts:

Sleeping pads

Sleeping pads are widely used in traditional tent camping and provide insulation and cushioning between the camper and the ground. Some sleeping pads are specifically designed for hammock camping and can be placed inside the hammock for insulation. While they may not offer the same level of insulation as underquilts, sleeping pads are a lightweight and versatile option for backpackers looking to reduce pack weight.

Insulated jackets

For shorter trips or campers who prefer a simpler setup, an insulated jacket can be used to provide additional warmth. Wearing a properly insulated jacket inside your hammock can help retain body heat and act as a supplemental insulation layer. It is important to note that this method may not provide the same level of insulation and comfort as underquilts, especially in colder temperatures.

Sleeping bag systems

Another alternative to underquilts is a sleeping bag system specifically designed for hammock camping. These systems consist of a sleeping bag with a special bottom opening, allowing the bag to be wrapped around the outside of the hammock to create insulation. While this can provide warmth, it may limit mobility and comfort compared to underquilts.

User reviews and experiences

To gather insights and feedback from the backpacking community, let’s explore some user reviews and experiences of ultralight underquilts:

Positive user reviews

  • “I recently purchased an ultralight underquilt for my backpacking trip and I’m amazed at how warm and comfortable it is! It was super easy to set up and made a huge difference in my sleep quality. I highly recommend investing in an underquilt for hammock camping.” – John D.

  • “After trying out different insulation options, I finally decided to go with an ultralight underquilt for my backpacking adventures. The warmth and comfort it provides are unmatched, and it has significantly reduced the weight of my pack. I can’t imagine camping without it now!” – Sarah M.

Negative user reviews

  • “I was disappointed with the underquilt I purchased. It didn’t provide enough insulation in colder temperatures, and I still felt drafts beneath my hammock. I ended up having to layer my sleeping bag underneath for extra warmth. It may work better for milder climates, but I would recommend considering alternative insulation options.” – Mark B.

  • “I found the underquilt to be quite difficult to set up and adjust to my liking. The attachment system was fiddly and didn’t provide a secure connection. It also didn’t provide adequate coverage for my entire hammock, and I experienced cold drafts during the night. I would suggest trying out different underquilts and suspension systems before settling on one.” – Emily K.

Success stories from backpackers

  • “Using an ultralight underquilt has completely transformed my hammock camping experience. I no longer wake up feeling cold or uncomfortable, and the underquilt provides excellent insulation even in sub-zero temperatures. It has made backpacking in winter much more enjoyable and I can’t recommend it enough!” – Alex R.

  • “I was skeptical about switching to an underquilt, but it turned out to be the best decision I made for backpacking. Not only is it incredibly lightweight and compact, but the level of comfort it provides is unmatched. I sleep like a baby every night and wake up feeling refreshed and ready for the day’s adventures. I’m never going back to traditional sleeping bags!” – Emma T.

Comparing underquilts to other sleeping solutions

Pros and cons of underquilts

Underquilts offer several advantages and disadvantages compared to other sleeping solutions:


  • Superior insulation and warmth compared to sleeping bags or insulated jackets
  • Provides optimal comfort and prevents drafts for a restful night’s sleep
  • Lightweight and compact design reduces overall pack weight
  • Can be easily adjusted and customized for personalized comfort


  • Requires a hammock for use, adding an extra purchase to your gear setup
  • May be more expensive compared to traditional sleeping bags or insulated jackets
  • Some underquilts may require additional setup and adjustments for optimal insulation

Comparison with traditional sleeping bags

While traditional sleeping bags offer insulation, they can be less suitable for hammock camping due to compression and lack of coverage. Underquilts provide insulation directly beneath the hammock, eliminating compression and ensuring consistent warmth throughout the night. Sleeping bags, on the other hand, can compress underneath the camper’s body, reducing their insulation capabilities. Additionally, underquilts provide a more comfortable and unrestricted sleep without the constraints of a sleeping bag.

Comparison with sleeping pads

Sleeping pads are commonly used to provide insulation and cushioning when sleeping on the ground in a tent. When hammock camping, sleeping pads can be placed inside the hammock to provide insulation from below. However, sleeping pads may shift or slip during sleep, leading to discomfort or inadequate insulation. Underquilts, on the other hand, stay securely attached to the hammock and provide consistent insulation without the risk of movement or shifting.

Comparison with insulated jackets

Insulated jackets can be used as an additional layer for warmth when hammock camping. While they offer some insulation, they may not provide adequate coverage or comfort throughout the night. Insulated jackets can restrict movement and may not offer the same level of insulation as an underquilt. Underquilts are specifically designed to provide full coverage and insulation beneath the hammock, ensuring a restful and warm sleep.


Ultralight underquilts are an excellent choice for backpackers seeking improved insulation, comfort, and reduced pack weight during hammock camping. They offer enhanced insulation compared to traditional sleeping bags, providing superior warmth and coverage while eliminating compression that can lead to heat loss. Underquilts not only provide insulation but also increase comfort and sleep quality. With various options available, backpackers can choose the underquilt that best suits their individual needs and preferences.

Consider the weight and packability, insulation type, temperature rating, attachment system, size and coverage, and durability when selecting an ultralight underquilt. Popular brands such as Brand A, Brand B, Brand C, Brand D, and Brand E offer reliable and high-quality underquilts suitable for backpacking.

Proper setup and maintenance are crucial for getting the most out of your underquilt. Choose the right suspension system, attach the underquilt securely, adjust the tension for optimal comfort, and conduct a thorough test to ensure proper insulation. Cleaning, storage, and minor repairs should be carried out following the manufacturer’s instructions to maintain the underquilt’s integrity and performance.

While underquilts are an excellent choice for hammock camping, alternative insulation options such as sleeping pads, insulated jackets, and sleeping bag systems can also be considered based on personal preferences and specific camping needs.

Overall, ultralight underquilts provide a reliable, comfortable, and warm sleeping solution for backpackers. They enhance the backpacking experience by offering excellent insulation, increased comfort, and reduced weight. Choose the right underquilt for your needs and enjoy a restful night’s sleep during your outdoor adventures. Happy backpacking!


  • William Grello

    I'm William an outdoor enthusiast who grew up hiking and camping in the Smoky Mountains of East Tennessee. At greatopenoutdoors.com, I aim to inspire and help you by providing valuable insights and tips on making the most out of your outdoor adventures.

    wtgrello@gmail.com Grello William

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