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Medium Firm
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On Sale
Overview
- SleepMatch: blue
Casper Dream Medium Firm Mattress 12"
- The mattress you've been dreaming of. Zoned Support provides proper ergonomic alignment
- A softer foam around the shoulders and a firmer foam supporting the hips waist and lower back
- A balance of pressure-relieving foams and supportive springs keeps you dreaming
- Cradling open cell foam keeps air moving all night
- Try In-Store Today!
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In Stock
Overview
Casper Dream Medium Firm Mattress 12" · California King
The Casper Dream Medium Firm Mattress 12" is a hybrid mattress built for the back or side sleeper who wakes up stiff, overheated, or restless. If you've been searching for a medium firm hybrid mattress in California King that actually holds your spine where it belongs, this is the one to try in person. Responsive foam layers pair with individually encased coils to give you lift under the lower back and cushion around the shoulders at the same time. Casper's Zoned Support™ does the real work here, placing firmer foam under your hips, waist, and lower back while keeping the shoulder zone softer so your spine stays neutral from head to hip. Our sleep specialists at Mancini's Sleepworld can walk you through exactly how this feels compared to every competing option on the floor.
COMFORT AND FEEL: Medium firm with a slightly cradling, responsive surface that pushes back under the hips without feeling stiff at the shoulders.
SIZE: This California King sized mattress is made for couples who want a generous shared surface without sacrificing the support each sleeper needs independently.
BEST SLEEP MATCH: Back sleepers and side sleepers between 130 and 230 pounds. The medium firm feel keeps the lumbar zone supported while the zoned shoulder foam stops that familiar morning ache from setting in.
BEST FOR: Ideal for sleepers who toss and turn through the night, share a bed with a restless partner, or wake up with tension in the lower back.
CONSTRUCTION SPECIFICATIONS: Breathe Flex Foam sits at the top, an open-cell layer that keeps air moving so the surface stays fresh. Zoned Support™ memory foam beneath it delivers firmer pushback through the center third and softer cradling at the shoulders. Individually pocketed Flex Coils form the support core, absorbing movement and reinforcing spinal lift. A soft knit cover finishes the feel.
SETUP AND COMPATIBILITY: Compatible with adjustable bases, platform frames, and box springs. Arrives rolled and compressed as a mattress in a box, expands within hours, and requires no tools to set up.
NOT A FIT FOR: Stomach sleepers over 230 pounds who need a firmer surface to prevent hip sinkage. Sleepers who prefer a deep, slow-sink memory foam feel without any bounce.
YOUR SLEEP, BACKED BY US
At Mancini's Sleepworld, our sleep specialists are here before, during, and after your purchase. Come try this mattress in any of our locations so you can feel the difference yourself before you commit. Every purchase includes a 120-night comfort guarantee and free next-day delivery with in-home professional setup available. Add a premium mattress protector at checkout and you can upgrade your guarantee to a full 365 nights. Flexible financing options are available, and our Best Price Guarantee means you won't find it lower anywhere else. That's the Rest Easy Promise.
Features
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Suitable For Adjustable Base
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Motion Separation
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Edge Support
- SleepMatch: blue

Casper Dream Medium Firm Mattress 12"
Features
- SKU: CAS-DRM-HYB-6M-MF-24
- MPN: 950-000152-006
- GTIN: 192472031450
- Brand: Casper
- Collection: Dream
- Type: Hybrid
- Mattress In A Box: Yes
- Firmness: Medium Firm
- Height: 12
- Length: 84
- Width: 72
- Shipping Height: 42
- Shipping Width: 18.5
- Shipping Length: 18.5
- Warranty: 10 Year Limited
- Weight Capacity: 600
- Cover Material: 98% Polyester, 2% Spandex
- Quilting Layers: Polyurethane Foam with Encased Springs
- Comfort Layers: Polyurethane Foam
- Support System: Zoned Memory Foam
Specification
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Suitable For Adjustable Base: Yes
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Motion Separation: Yes
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Edge Support: Yes











