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Cool Comforters for Hot Sleepers – 2021 Reviews and Buyer’s Guide

Written by Keith Cushner

Quick Overview

Finding ideal bedding can be tricky if you’re a hot sleeper. On one hand, having a nice blanket or comforter can be cozy and inviting. On the other hand, if you already tend to sleep hot, having a comforter can cause you to sweat and overheat in the night. Thankfully, there are comforters that allow you to get some additional warmth and coziness without feeling like you’re spending the night in a sauna.

In this guide, we’ll share our top picks for the best cool comforters in several categories. Our comforter buying guide will also key you into the most important terminology and background information that you need to make an informed decision about the best purchase for you as a hot sleeper.

Best Cool Comforters of 2021

The Best Cool Comforters – Reviewed

Best OverallSlumber Cloud Lightweight Comforter

Best Overall – Slumber Cloud Lightweight Comforter


  • Proprietary ClimaDry fill regulates temperature and provides a lofty feel
  • Smooth cotton cover
  • OEKO-TEX 100 certified
  • 60-night sleep trial and 180-day warranty
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Best OverallSlumber Cloud Lightweight Comforter


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In recent years, Slumber Cloud has earned a stellar reputation thanks to its lineup of sleep products engineered for temperature regulation. The Lightweight Comforter – formerly known as the Cumulus Comforter – is no exception. The fill consists of proprietary ClimaDry down alternative fibers, which regulate the sleeper’s body temperature and wick away moisture while maintaining a plush, lofty feel for the comforter.

The cover is composed of pure cotton for added breathability and comfort. Thanks to this material composition, the Lightweight Comforter is one of Slumber Cloud’s best bedding products in terms of cooling ability. Twin XL, queen, and king sizes are available. Owners can wash and dry their comforter in any household machine, though the cover is likely to shrink a bit.

The Lightweight Comforter’s sticker price is quite reasonable, considering the product’s innovative design and exceptional temperature control. All U.S. orders qualify for free shipping, as well, and customers can save up to 10% on their purchase by bundling the comforter with other Slumber Cloud bedding items. All orders include a 60-night sleep trial for testing out the comforter and a 180-day warranty against structural defects.

Best ValueQuince Lightweight Down Alternative Comforter

Best Value – Quince Lightweight Down Alternative Comforter


  • Animal-free microfiber fill
  • Cotton sateen shell
  • Fully machine washable
  • 365-night sleep trial
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Best ValueQuince Lightweight Down Alternative Comforter


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While comforters with real down can be quite expensive, those filled with down alternative fibers can be a good alternative for value-seekers as well as people who are allergic to down and those who would rather not buy animal-based products. The Lightweight Down Alternative Comforter from Quince is a good example of a low-cost comforter that matches its pricier competitors in terms of comfort and performance.

The comforter sleeps quite cool. Down alternative fibers won’t retain as much heat as real down, and the cotton sateen shell is highly breathable for added temperature control. The fabric’s smooth hand-feel is also a good option for people with acne and other skin sensitivities. Corner ties secure the comforter to any duvet cover and prevent shifting during the night.

Full/queen and king/California king sizes are available. The entire comforter can be washed and dried in any household machine. In addition to carrying an affordable price-point, this product qualifies for free standard delivery. Each customer receives a sleep trial that allows them to test out the comforter for an entire year before deciding whether to keep it, and return shipping is also free of charge.

Best LuxuryBrooklinen Down Comforter

Best Luxury – Brooklinen Down Comforter


  • Premium white down fill
  • Smooth, cotton-sateen cover
  • All-season and summer-weight options
  • Lifetime warranty
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Best LuxuryBrooklinen Down Comforter


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Many hot sleepers prefer down comforters because the material is naturally light and airy. It is exceptionally soft, as well. The Brooklinen Down Comforter is made in Canada and contains white down that is ethically sourced from Hutterite farms.

The comforter is available in a lighter, summer-weight design with 600 fill power down clusters and a breathable cotton-sateen casing. Customers who prefer a little more insulation may also select an all-season design with 700 fill power clusters.

The comforter’s baffle-box quilting provides even fill distribution, which helps minimize clumping. Tie straps at the corners for the duvet cover also prevent uncomfortable sliding during the night. The comforter is available in Twin/Twin XL, Full/Queen, and King/California King sizes. Brooklinen offers a full satisfaction guarantee with free exchanges and replacements and backs its comforters with a lifetime warranty.

Best LightweightPacific Coast Lightweight Comforter

Best Lightweight – Pacific Coast Lightweight Comforter


  • Cushioned with lofty 550 fill power Hyperclean down
  • Sewn-through baffles help to evenly distribute the fill
  • Smooth cotton shell
  • 30-night sleep trial and 3-year warranty with additional allergy-free warranty coverage
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Best LightweightPacific Coast Lightweight Comforter


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Sleeping hot is a common complaint about down comforters, but some integrate breathable components that minimize bothersome body heat retention. For example, the Lightweight Comforter from Pacific Coast lives up to its name with a lofty yet airy feel that helps sleepers stay cozy without feeling excessively warm. The shell is made of pure cotton for added temperature control.

The comforter contains Hyperclean down, a proprietary fill that is washed at least eight times to ensure the lowest possible allergy potential for sleepers. Each baffle box is sewn through to maintain even distribution throughout the interior, and thick cording along the perimeter prevent rips and tears that can develop over time and cause fill to escape overtime. The comforter should only be dry cleaned.

Shipping is free for all orders of $99 or more within the contiguous U.S. Pacific Coast offers an allergy-free warranty in case buyers who are allergic to down develop symptoms after purchasing the comforter. Every order also includes a 30-night sleep trial and a 3-year warranty against structural defects.

SoftestComma Home Eucalyptus Comforter

Softest – Comma Home Eucalyptus Comforter


  • Made from a sustainable fabric blend
  • Highly breathable and absorbent
  • Smooth and ultra-soft hand-feel
  • 30-day return period
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SoftestComma Home Eucalyptus Comforter


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Many of the best cooling comforters sold today are designed with eucalyptus-derived components. Eucalyptus has natural cooling properties, and fibers from these trees retain comparable levels of breathability and temperature control. The Comma Home Eucalyptus Comforter stands out from competitors thanks in part to its eco-friendly construction. The cover is made of eucalyptus-based Tencel lyocell blended with recycled polyester from plastic bottles, giving the material a silky-soft and smooth feel, while the fill is plush down alternative fill.

The comforter is equipped with eight corner loops to keep a duvet cover in place without unwanted shifting or clumping. For added shape retention, the fill consists of a single sheet that distributes evenly throughout the interior. As a result, owners won’t need to fluff their comforter too frequently. When the comforter needs to be cleaned, machine wash on a gentle cycle and tumble dry on a low setting.

The comforter is competitively priced and Comma Home offers free ground delivery on all orders in the contiguous U.S. The company accepts returns on comforters in their original condition within 30 days of the original order. Return shipping is also free.

Best Weighted ComforterBaloo Weighted Comforter

Best Weighted Comforter – Baloo Weighted Comforter


  • Cooling glass microbead weighted fill
  • 100% cotton cover
  • Available in weights of 15, 20, and 25 lbs.
  • 30-day satisfaction guarantee
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Best Weighted ComforterBaloo Weighted Comforter


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Weighted blankets have become very popular among sleepers, and now Baloo has introduced a comforter that provides the same soothing sleep experience. Each baffle box contains glass microbeads that weigh the blanket down without absorbing heat like plastic pellets. Customers can choose between weights of 15, 20, or 25 pounds. Since weighted coverings generally work best at roughly 10% of the sleeper’s body weight, the comforter should be suitable for anyone in the range of 130 to 270 pounds.

The shell is composed of pure cotton, while soft polyester microfiber material forms the inner batting that cushions the beads. The comforter is equipped with 10 to 12 tie loops depending on the size, allowing owners to secure it to any duvet cover and reduce the potential for shifting. The entire blanket can be washed and dried at home for quick and convenient care. The 15- and 20-lb. comforters are available in a full/queen size, while the 25-lb. comforter is a king.

Baloo backs each order with a 30-day satisfaction guarantee that includes free return and exchange shipping. Standard ground delivery is also free of charge within the contiguous U.S. For every purchase, Baloo will plant a tree.

Buying Guide – How to Shop for a Cool Comforter

What’s cooler than being cool? Knowing how to find the best comforter to keep you from sleeping hot. This guide walks you through what you need to know to make a great purchase.

How to Choose the Best Cool Comforter

Shell Material

While a lot of focus is placed on the inner material in a comforter, the exterior – also known as the shell – cannot be ignored, especially for hot sleepers. The most common materials for comforter shells include:

  • Cotton: You’re probably familiar with cotton since it’s used in so many products including in clothing and bedding. Cotton shines when it comes to softness and when it’s produced to a high standard, it also is quite durable. Cotton can retain moisture, which isn’t ideal for hot sleepers, but some types of cotton, like sateen, have a smoother texture that feels more breathable.
  • Silk: Silk is a fantastic material for hot sleepers because it does not retain heat and in fact can help a great deal with wicking away moisture. It’s also naturally soft and smooth, but unfortunately, it’s costly and tricky to keep clean, so it’s not employed as frequently in comforter shells.
  • Wool: Wool is able to simultaneously be soft, warm, and moisture-wicking, and this is a combination that works well for hot sleepers. That said, because of its cost, wool is less often found as a shell material, especially for comforters in the low-to-mid price range.
  • Cotton-Synthetic Blends: Sometimes cotton is blended with a synthetic textile (like polyester or rayon) to provide more moisture-wicking characteristics to the shell.

Fill Material

The fill material in a comforter will have the biggest impact on how much heat a comforter will retain, and as a result, it is a key point of emphasis for hot sleepers. The most important fill materials to be aware of include:

  • Goose Down: Plumage taken from the underside of geese, goose down is a powerful insulator. It is very lightweight and soft yet retains a large amount of heat. These types of comforters can feel too warm to hot sleepers and may not be a good choice for people with temperature regulation issues.
  • Duck Down: Duck down consists of the small, soft feathers from the underside ducks. While it generally doesn’t have quite as much loft and warmth as goose down, it’s still far better suited for people who sleep cool rather than people who sleep hot.
  • Down Cluster: The down cluster is the part of the down with the greatest insulating power. Down comforters with a high percentage of down clusters are the warmest, and as a result, should usually be avoided by hot sleepers.
  • Down Alternative: Down alternative fills take a number of different forms but are generally synthetic materials that are produced to be soft and light like down. Some are also made to have more loft and heat-retention power. Given their lower cost, down alternative comforters can be an attractive option for hot sleepers, especially if there is not an abundant amount of fill.
  • Other Feathers: In addition to the small, soft feathers that make up down, there are other feathers on ducks and geese. These feathers can be used to make comforters that are soft and light but not as lofty and warm as down. For hot sleepers who like the feel of a feather fill, this type is likely to be preferable to true down.
  • Cotton: Cotton is affordable and soft and does not insulate at anywhere near the power of down. All of these make it a good choice for hot sleepers.
  • Wool: Thanks to its natural temperature management properties (its ability to give warmth when needed and wick-moisture and breathe when needed), wool can be a good choice for hot sleepers. The biggest downsides are its cost and weight.
  • Silk: A silk fill can work extremely well for hot sleepers because silk resists heat retention and is naturally airy and light, preventing it from feeling suffocating. However, silk can be expensive and may be out of the budget of many shoppers when it is used as the primary fill material.

Thread Count

The thread count, used in describing the shell of a comforter, tells you how dense the yarns are within one square inch of fabric. If you’re not well-versed in sewing and textiles, it will suffice to know that higher thread counts normally indicate a shell that will feel smoother and that will hold up better over time. But it’s also important to know that thread counts can be manipulated to seem higher (through what’s known as “double counting” two-ply yarns in the material). For this reason, we advise looking for a thread count of 300-600 since counts higher than this probably are calculated using double counting.

Stitch Design

There are various methods that are used to stitch together the various materials within a comforter.

  • Sewn-Through: This technique uses stitching to connect the top and bottom of a comforter so that very small compartments are created that keep the fill from moving around within the comforter. It creates tighter compartments so that the comforter stays more compact, which prevents the fill from having more loft and insulation.
  • Diamond-Quilted: This is usually a method of sewn-through stitching in which the stitches are sewn in the shape of a diamond.
  • Gusseted: A comforter is gusseted if the top and bottom are sewn together with an additional strip of fabric around the exterior of the comforter. This does not have a huge effect on heat, but can make the comforter feel more lofty.
  • Baffle Box: When the top and bottom layers of the comforter are not sewn together directly, but instead are connected with smaller pieces of fabric throughout, it’s called baffle-box design. This gives the material a bit more vertical room to move around within the compartments created by the stitches. This translates into more loft, giving the comforter a fluffy feel.

Other Ways to Sleep Cool

Sleeping cool isn’t just about your comforter. There are a handful of other ways that you can optimize your sleep environment to prevent from overheating at night.

  • Choose the Right Mattress: Different mattress materials have huge variations in how much heat they tend to retain. For example, traditional memory foam is much more likely to contribute to sleeping hot than latex. Similarly, a very plush mattress that you sink into will be more prone to sleeping hot. For more on finding a great mattress if you’re a hot sleeper, check out all of our guides to buying a new mattress.
  • Cooling Mattress Toppers: If your mattress seems to sleep hot and you can’t afford to replace it, a cooling mattress topper, which goes above the mattress but under the sheets, may be able to help keep you from overheating.
  • Proper Bedding: Your sheets and pillows can also affect hot much you’re likely to heat up in the night. Avoid heavy sheets (like flannel) or pillows made from one piece of memory foam that have a propensity to retain heat.
  • ChiliPad: This is a mattress pad that has the ability to heat up or cool down your bed by circulating cooled or heated water through the pad.
  • BedJet: This device uses a hose to pump hot or cool air that can adjust the temperature of your bed and help to keep from sleeping too hot (or too cold).
  • Pajamas: Make sure not to wear heavy pajamas or other clothing that will hold in heat or restrict airflow around your body. Light and loose clothes — or limited clothes — are a far better bet.
  • Keep the Thermostat Low: Of course, the ambient temperature of your bedroom is going to have a direct effect on your body temperature when you sleep. Keep the temperature down (which research indicates may be good for you anyway) and consider using a fan to keep air moving.
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