Casper
The Casper Duvet Insert
Experience year-round comfort with the Casper Duvet Insert, designed for Full/Queen beds. This insert features a lightweight cotton shell and is filled with 100% duck down, providing ideal warmth for all seasons. The sewn-through seam construction ensures the down stays evenly distributed and fluffy. Thoughtful details like corner snap closures make it easy to secure your duvet cover. Designed and assembled in the USA, this duvet insert offers a blend of quality materials and practical design for a cozy and comfortable sleep.
$349.00
Owner Satisfaction
4.4
/ 5
Category Rank
2392
/ 4180
#2392 in Quilts & Comforters
Price vs Category Average
+46%
Above average
Fill
100
/ % Duck Down
Who it's for
- Temperature Regulation
- Secure Fastening
- Even Distribution
Who should skip it
- Premium Pricing
- Laundering Requirements
- Specific Loft
Key Specs
Fill
100% Duck Down
Shell
Lightweight Cotton
Fill Power
600
Construction
Sewn-through seams
Assembly
Designed and assembled in USA, production in China
Features
- Provides all-season warmth
- Keeps down fluffy and evenly distributed
- Easy to secure duvet cover with corner snaps
- Lightweight and comfortable cotton shell
- 100% duck down fill
- Sewn-through seam construction
- Corner snap closures
- Designed and assembled in USA
What customers say
Customers consistently praise the Casper Duvet Insert for its exceptional comfort and cloud like loft. Many reviewers highlight the premium feel of the materials and the thoughtful design that keeps the fill evenly distributed. The weight provides a perfect balance of warmth and breathability for year round use. While it sits at a higher price point, users find the durability and luxurious sleep experience justify the investment. It is a reliable choice for those seeking a high quality bedding staple that maintains its shape and softness over time.
Know before you buy
Yes, the Casper Duvet Insert is designed for all-season use. Its 600 fill power duck down provides enough insulation for colder nights while remaining breathable enough to prevent overheating during warmer months.
The sewn-through seam construction creates individual pockets that keep the down fill evenly distributed across the entire insert. This prevents the down from shifting or clumping, ensuring consistent loft and warmth without any cold spots.
The corner snaps are designed to securely anchor the insert to the inside corners of a compatible duvet cover. This prevents the insert from sliding around inside the cover, keeping it perfectly positioned throughout the night.
The shell is crafted from a lightweight cotton fabric. This material is chosen for its breathability and soft hand-feel, which allows the down to loft properly while maintaining a comfortable weight against your body.
A 600 fill power indicates that the down is of high quality, offering excellent loft and insulation relative to its weight. It provides a fluffy, cloud-like feel that is durable and resilient over time.
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