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Medium
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On Sale
Overview
- SleepMatch: blue
Mancini's Sleepworld Granite Bay Medium Mattress 13"
- Built for sleepers who sleep warm and wake up stiff
- Graphite, copper, and titanium memory foam eases pressure
- "Cold" stretch knit cover pulls heat away from the surface
- Dense foam core holds its shape over the long haul
- Medium feel suits back and side sleepers who need lift
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In Stock
Overview
Mancini's Sleepworld Granite Bay Medium Mattress 13" · Twin
The Mancini's Sleepworld Granite Bay Medium Mattress 13" is a foam mattress built for the sleeper who runs warm and wakes up feeling like they fought the mattress all night. At 13 inches tall, it delivers a medium firmness that sits right in the range where pressure relief and lumbar support stop trading against each other. This is a strong option for anyone searching for a medium mattress for back pain relief who wants cooling built into the foam, not just a cover claim.
The Granite Bay Medium is engineered with multiple layers that work together from the moment you lie down. Stop by any Mancini's Sleepworld location and our sleep specialists will put this next to every competing option at your comfort level so you can feel the difference before you commit.
COMFORT AND FEEL: Medium firmness with a soft memory foam surface and a supportive, resilient base beneath.
SIZE: This twin sized mattress is a focused sleep surface suited for a single sleeper, a teenager's room, or a dedicated guest space.
BEST SLEEP MATCH: Back and side sleepers will feel most at home here. The medium feel keeps the lumbar from dropping while the soft memory foam layers let the hip and shoulder ease in without bottoming out.
BEST FOR: Ideal for sleepers who tend to overheat, carry tension in the lower back, or need pressure relief at the hip and shoulder without losing support.
CONSTRUCTION SPECIFICATIONS: The Super Heavy Weight "Cold" stretch knit quilt panel draws heat away from the body through the night. Beneath it, Ultra High Density Medium Firm and Soft Memory Foam layers infused with Graphite, Copper, and Titanium absorb and disperse body heat while contouring to pressure points. A Super High Density foam core at the base keeps the mattress from softening out early.
SETUP AND COMPATIBILITY: Works on an adjustable base, platform frame, or box spring. Delivered flat with professional in-home setup available through Mancini's Sleepworld.
NOT A FIT FOR: Sleepers who prefer a very firm, minimal-contour feel may find the soft memory foam layers too conforming. Not sized for shared sleeping.
YOUR SLEEP, BACKED BY US
Every mattress purchased at Mancini's Sleepworld comes with a 120-night comfort guarantee, our Best Price Guarantee, free next-day delivery, and professional in-home setup. Before you buy, come try it in person at any of our locations. If you add a premium mattress protector at the time of purchase, you can upgrade your guarantee to a full 365 nights. Flexible financing options are available. Our sleep specialists are here to make sure you leave with the right mattress, not just any mattress.
Features
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Suitable For Adjustable Base
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Motion Separation
- SleepMatch: blue

Mancini's Sleepworld Granite Bay Medium Mattress 13"
Features
- SKU: BRK-GRA-3M-MED-25
- MPN: 25WI13ALPMS_FP33
- GTIN: 810191940890
- Brand: Mancini's
- Collection: Sleepworld
- Type: Foam
- Mattress In A Box: No
- Firmness: Medium
- Height: 13
- Length: 75
- Width: 38
- Shipping Height: 13
- Shipping Width: 75
- Shipping Length: 38
- Warranty: 10 Year
- Cover Material: Polyethylene & Poly Blend
- Quilting Layers: Smooth Top
- Comfort Layers: 1'' 4 / 13 Titanium M-Foam,2'' 3/10 titanium M -Foam
- Support System: 3.0 1.8 / 18 transition over 7.0 1.8 / 36 H.D Base Foam
Specification
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Suitable For Adjustable Base: Yes
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Motion Separation: Yes

