Casper
Down-Alt Duvet
Best sustainable bedding for hot sleepers seeking a down-like feel.
Experience the luxurious feel of down without the overheating. This duvet features a soft and breathable fiber fill made from recycled polyester, mimicking the comfort of down. Its shell is crafted from 100% TENCEL™ Lyocell, a sustainable wood pulp fiber known for its breathability and durability. The unique sewn-in chamber design ensures the fill stays in place, providing consistent comfort. Thoughtful details include eight loops to keep your duvet securely in its cover, making it a practical and cozy addition to your bedding.
$206.10
More Down Alt Duvet Options
Owner Satisfaction
4.6
/ 5
Category Rank
299
/ 2114
#299 in Duvet Covers
Price vs Category Average
-31%
Below average
Cover
100
/ % TENCEL™ Lyocell
Who it's for
- Sensitive sleepers needing a sneeze-free, plush bedding experience
- Busy homeowners wanting simple, stress-free machine maintenance
- Budget-conscious shoppers seeking ethical, cruelty-free comfort
Who should skip it
- Hot sleepers prone to night sweats and overheating
- Long-term users prioritizing lasting loft and insulation
- Sleepers who prefer the airy, lightweight feel of down
Performance breakdown
Temperature Regulation
TENCEL shell effectively wicks moisture to prevent overheating during sleep.
Fill Consistency
Sewn-in chambers prevent clumping for an even, cloud-like distribution.
Maintenance Ease
Machine washable construction makes keeping your bedding fresh incredibly simple.
Cover Security
Eight attachment loops ensure the duvet stays perfectly anchored inside covers.
Sustainability Profile
Recycled polyester and wood pulp fibers offer an eco-conscious bedding choice.
Down-Alternative Feel
Synthetic fill mimics natural loft without the common allergen concerns.
Key Specs
Cover
100% TENCEL™ Lyocell
Liner
100% Olefin
Fill
100% Recycled Polyester
Full/Queen Dimensions
95" x 98"
King/Cal King Dimensions
111" x 98"
Construction
Baffle Box
Machine Washable
Yes
Corner Ties
Yes
Features
- Mimics down with soft, recycled polyester fill.
- Breathable TENCEL™ Lyocell shell for temperature regulation.
- Sewn-in chambers keep fill evenly distributed.
- Eight loops for secure duvet cover attachment.
- Made from sustainable wood pulp fiber.
- Designed for year-round comfort.
What customers say
Customers overwhelmingly praise this duvet for its exceptional temperature regulation, maintaining comfort across seasons without overheating. The baffle box construction ensures consistent loft, delivering a lightweight yet substantial, cloud-like feel that reviewers adore. Its hypoallergenic fill is a significant benefit for allergy sufferers. While the premium price sets high expectations, most users find the superior quality and effective climate control make it a worthwhile investment for better sleep. The luxurious feel and reliable performance solidify its positive reception despite the cost.
Know before you buy
Yes, the recycled polyester fill is specifically engineered to mimic the loft and plush feel of traditional down, providing a similar level of comfort without the use of animal products.
The shell is made from 100% TENCEL™ Lyocell, a sustainable fiber known for its natural breathability and moisture-wicking properties, which helps regulate your temperature throughout the night.
The duvet features a baffle box construction with sewn-in chambers that lock the fill in place, ensuring it remains evenly distributed across the bed over time.
Most likely, yes. It includes eight integrated loops along the edges to secure it inside a duvet cover, preventing the insert from bunching or shifting inside the shell.
Yes, the duvet is machine washable, making it easy to maintain. We recommend checking your machine's capacity to ensure it can accommodate the size of the duvet comfortably.
The Full/Queen size measures 95" x 98", while the King/Cal King size is larger at 111" x 98". Both sizes are designed to provide generous coverage for their respective bed types.
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