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last update : August 30, 2021

Everything You need to know about Casper:

Casper, whose headquarters in New York, is well-known for being one of the first big businesses to produce mattresses for direct-to-consumer sales. Since then, the business has expanded its product line to include mattresses, pillows, bed frames, and various bedding items, including duvet covers.

Currently, Casper provides three different types of duvet inserts, including the Humidity Fighting Duvet, Down Alternative Duvet, and Down Duvet. Various characteristics distinguish each duvet, which may appeal to various kinds of sleepers.

What is Casper:

Intricately crafted from a cotton shell and soft down with 600 fill power; the Casper Down Duvet is the most conventional choice available from the business. In addition to a breathable cotton cover & down fill; the Humidity Fighting Duvet has an additional layer of merino wool intended to drain away moisture from the body.

The Down Alternative Duvet is constructed of a Tencel lyocell cover, an olefin liner; and recycled polyester fill, making it a great choice for consumers who prefer not to use animal by-products.

The Hemingway Home Collection is 100% cotton with a velour cover and contains over 90 birdseye jacquard thread count. The modestly-priced Siberian goose-down comforter and covers are produced in Poland; where local factory managers guarantee production standards will meet or surpass the requirements of U.S. Customs.

An 8 piece comforter set: the Lenox Park Comforter Set contains a duvet insert, 2 shams, and other material pieces such as; pillows and a bed skirt to complete your bedroom room decor. Meanwhile, this multi-piece collection comes in four different colours, Red, Blue, Tan, and Brown; which gives you the ability to create your ideal room by mixing and matching the various colour sets.

In this article, we’ll go through all three Casper duvet choices, with a particular emphasis on the Casper Humidity Fighting Duvet. We’ll look at the materials, structure, and performance of this duvet to see how it compares to the products from other manufacturers.

Design and Construct:

There are three different Casper duvet sizes available: twin/twin XL, full/queen, and king/California king. With a classic down fill and a linen cover, the Down Duvet is excellent for traditionalists. In contrast, the Down Alternative Duvet is a good choice for environmentally conscious consumers. Hot sleepers will find that the Humidity Fighting Duvet is by far the most comfortable of the three duvets available.

The Casper Humidity Fighting Duvet: machine washable, while it is filled with a soft down fill that has a fill power of 750. Hence, fill power defines the capacity of down to expand after being compressed; as a result, down with a greater fill strength has more loft than down with a lower fill power. When you have a fill power of 750, it is regarded somewhat higher than normal; which means the Humidity Fighting Duvet is reasonably lightweight while being fluffy.

Casper has used several methods to combat the inherent propensity to retain heat, including a breathable cotton layer and an additional layer of merino wool. Merino wool contains finer fibers than normal wool, resulting in a robust but lightweight textile with superior moisture-wicking properties. Merino wool is available in a variety of colors and weights. In addition to helping sleepers stay cool in the summer & warm in the winter, this layer may also assist in preventing the accumulation of odors in the mattress.

Casper’s proprietary alternative to down is a hypoallergenic microfiber made with ultra-fine polyester fibers. Its fill power is equivalent to 700+ high-quality goose feathers, and its thin, breathable fibers are durable & soft.

The Bed Sheets:

Sanitized using enzymes instead of harsh chemicals, Avena protects the environment while inhibiting bacteria growth and decomposition. It also combats dampness, absorbing five times its weight in moisture without feeling damp or clammy. This fiber creates a cool sensation when you first lie on your side due to an increased surface area touching the skin for increased airflow (not unlike Velour).

ProductSize OptionsShell Material
Casper Humidity Fighting DuvetTwin/Twin XL: 70” x 88”Full/Queen: 90” x 94”King/California King: 108” x 94”Cotton with Merino Wool Layer
Casper Down DuvetTwin/Twin XL: 70” x 88”Full/Queen: 90” x 94”King/California King: 108” x 94”Cotton
Casper Down-Alt DuvetTwin/Twin XL: 74” x 98”Full/Queen: 95” x 98”King/California King: 111” x 98”Recycled Polyester, Olefin Liner


Compared to other down-filled duvet inserts, the Casper Humidity Fighting Duvet and the Down Duvet are both on the lower end of the pricing spectrum. Due to the additional layer of merino wool, the Humidity Fighting Duvet is more expensive, but the extra price for those who sleep hot may be worth it.

Down bedding is usually more expensive than other types of bedding because of its better performance and the labor and cost involved in gathering the material. The typical down duvet may range in price from $150 to $400, based on the quality of the down and the fill power used in its construction.

Alternative down may not be as soft and does not provide as much insulation as natural down. However, since it is much less expensive to manufacture than down, the Casper Down Alternative Duvet is the most inexpensive of the three options.

Casper Humidity Fighting DuvetTwin/Twin XL: $349Full/Queen: $389King/Cal King: $449
Casper Down DuvetTwin/Twin XL: $249Full/Queen: $289King/Cal King: $349
Casper Down-Alt DuvetTwin/Twin XL: $179Full/Queen: $199King/Cal King: $229


looking for the soft, fluffy feel of down and want to breathe more easily in their sleep environment? You should get the Casper Humidity Fighting Duvet. The duvet’s distinctive shape and high-quality materials give it above-average scores across the board in terms of overall performance.

Down is an inherently fluffy and cuddly fill material that adds to the overall comfort of a space. However, it traps moisture, which may deter those who sleep hot. Such as a layer of merino wool in the duvet will aid in the wicking away of moisture and the improvement of thermal neutrality. The crisp and delicate texture of the breathable cotton fabric makes this duvet a great option for any season.

There are sewn-in chambers in the Humidity Fighting Duvet, which prevent the fill from moving and clumping together. And therefore, taking good care of the duvet will ensure that it lasts for a long time. Machine washed on the gentle cycle and tumble dried on low heat only.

Fill Down is highly valued for its insulating properties, and a fill power of 750 is regarded to be extremely excellent in terms of insulation. The down is stitched into place to ensure that the duvet has a consistent feel throughout.

Shells of Superior Quality

The cotton has a thread count of 370, which is ideal for softness, durability, breathability, and durability and breathability. Merino wool, on the other hand, is regarded as high-quality material.


The soft and fluffy texture of the duvet is attributed to the cotton shell, merino wool layer, and down fill.

Controlling the temperature

The duvet’s ability to maintain temperature neutrality is a strong feature. While the permeable cotton shell allows for better air circulation, the merino wool layer is intended to wick sweat away from the skin.


The materials and structure of the duvet are intended to endure many items of washing and drying cycles. In addition to being durable materials when properly cared for, the duvet’s sewn-in chambers assist in keeping the form of the duvet’s filling from shifting about.


Sleep is fundamental to our health, happiness, and productivity. However, finding the perfect mattress for your needs can be difficult when shopping in conventional brick-and-mortar stores. That’s why Casper was founded – to develop a better way of buying mattresses online so that you can get great sleep without all the hassle. To avail of their latest coupons on Casper products, or if you want more information about how they deliver quality bedding at affordable prices (including FREE shipping), please visit Slumberwithme!


What is the price of the Casper Humidity Fighting Duvet in dollars?

The price of the duvet varies from $350 for a Twin/Twin XL to $450 for a King/California King, depending on the size.

Is the Casper Humidity Fighting Duvet a hot duvet to sleep under?

The Casper Humidity Fighting Duvet keeps you from becoming too hot while you sleep. It has a breathable outer shell and a layer of merino wool which draws heat away from the body while also wicking moisture away from the skin.

When it comes to the Casper Humidity Fighting Duvet, how fluffy is it?

The Casper Humidity Fighting Duvet is a fairly fluffy piece of bedding filled with duck down with a high fill power. However, since it is not a hefty comforter filled with lots of down, it does not resemble a huge fluffy cloud in the traditional sense.

In terms of bedding, what is the distinction between a duvet and a comforter?

The words duvet and comforter are sometimes used interchangeably. However, there are some significant distinctions between the two. A duvet is really two-part: duvet inserts and a duvet cover, whereas a comforter is a single item that may be used on its own. The point at which things get confused is when a comforter may be used as a duvet insert but is considered as such by certain people.