Casper Dream Hybrid Mattress – Medium, Twin XL
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- 12-inch hybrid with foam comfort layers over individually pocketed Flex Coils springs
- Medium feel with responsive foam and a bit of bounce
- Zoned Support layer with three zones of memory foam, firmer under the hips, waist and lower back
- Firm foam edge around the perimeter and a high-density foam base
- Twin XL size: 38" W x 80" L; two can be paired to create a split king
About the Casper Dream Hybrid Mattress – Medium, Twin XL
The Casper Dream Hybrid is a 12-inch mattress that pairs foam comfort layers with individually pocketed springs. Casper rates its feel as medium and describes the foam as responsive, with a bit of bounce so you don't feel stuck when you change positions.
Under the soft knit Cozy Cover is a layer of breathable, open-cell Breathe Flex Foam, followed by Casper's Zoned Support layer: three zones of memory foam that are softer around the shoulders and firmer under the hips, waist and lower back. Next come the Flex Coils pocketed springs, with a firm foam edge around the perimeter and a high-density foam base underneath to keep everything stable.
This Twin XL size measures 38 by 80 inches. Casper calls it a dorm favorite, and the extra length suits single sleepers who want more legroom; two Twin XLs placed side by side make a split king. It needs a solid or slatted foundation rather than an old box spring.
What reviewers say
Reviewers generally describe the Dream Hybrid as a medium-feel hybrid with a responsive surface that doesn't leave you feeling stuck, and testers note good pressure relief for side sleepers and decent temperature control for a foam hybrid. Common criticisms are edge support that sinks when you sit on the side of the bed, an above-average price, and a feel that heavier sleepers and stomach sleepers may find too soft.
Pros
- Responsive, slightly bouncy feel that makes changing positions easy
- Good pressure relief, especially for side sleepers
- Above-average temperature control for a foam hybrid
- Works well for many couples
Cons
- Edges sink when you sit or lie near the side
- Heavier and stomach sleepers may find it too soft
- Priced above average
Our summary of professional and shopper reviews published elsewhere (Sleep Foundation, NapLab and SheKnows), as of Oct 10, 2026. These are not reviews of ShopNow4.
Key specs
| Brand | Casper |
|---|---|
| Brand | Casper |
| Model | Dream Hybrid |
| Size | Twin XL |
| Dimensions | 38" W x 80" L x 12" H |
| Weight | 67 lb |
| Firmness | Medium |
| Construction | Hybrid (foam and pocketed springs) |
| Cover | Cozy Cover (soft knit) |
| Comfort layer | Breathe Flex open-cell foam |
| Support layer | Zoned Support – three zones of Align Memory Foam |
| Coils | Flex Coils individually pocketed springs |
| Edge | Casper Core Edge firm foam perimeter |
| Base layer | High-density foam (Casper Core) |
| Foundation | Solid or slatted foundation required |
| Category | Furniture & Sleep |
| Price | $1,554.00 |
| Availability | In stock |
| SKU | casper-dream-hybrid-medium-mattress-twin-abcd1c |
