-
Firm
-
On Sale
Mancini's Sleepworld Granite Bay Firm Mattress 13"-Full
-
In Stock
Mancini's Sleepworld Granite Bay Firm Mattress 13"
Why this Mattress?
- Firm memory foam layers infused with graphite, copper, and titanium
- Heavy-weight cold stretch knit cover pulls heat away from the body
- Dense foam core holds its shape and resists long-term softening
- 13 inches of structured support keeps the spine lifted all night
- Built for back sleepers who need stable, no-sink alignment
Overview
Mancini's Sleepworld Granite Bay Firm Mattress 13" · Full
The Mancini's Sleepworld Granite Bay Firm Mattress 13" is a firm mattress built for the sleeper who wants real structural support without waking up stiff and misaligned. This is a firm mattress for back pain relief, layered with intention from cover to core, each component chosen to keep the body in a neutral position through the night. If you've been sinking into something too soft and paying for it every morning, the Granite Bay Firm is worth lying down on. Our sleep specialists at Mancini's Sleepworld would love to put it right next to everything else in your range so you can feel the difference in person.
COMFORT AND FEEL: Firm feel with a cool, responsive surface and consistent lift from core to edge.
SIZE: This full sized mattress is a smart fit for a single adult sleeper, a teenager's room, or a dedicated guest space.
BEST SLEEP MATCH: Back sleepers and stomach sleepers will find this firm mattress for back sleepers keeps the hips level and the lumbar lifted, so the spine stops fighting gravity through the night.
BEST FOR: Ideal for sleepers who run warm, need reliable back support through the night, or have been waking up stiff from a mattress that's lost its shape.
CONSTRUCTION SPECIFICATIONS: The cold stretch knit cover is a super heavyweight fabric engineered to move heat away from the body while you sleep. Beneath it, ultra high-density memory foam layers infused with graphite, copper, and titanium work together to absorb warmth and keep the surface from trapping it. A super high-density foam core underneath holds everything firm and resists the gradual compression that shortens a mattress's useful life.
SETUP AND COMPATIBILITY: Works with an adjustable base, platform frame, or box spring. Delivered flat with professional in-home setup included. No tools required on your end.
NOT A FIT FOR: Side sleepers who need deep pressure relief at the hip and shoulder may find this feel too firm for their primary position. Not suited for sleepers who prefer a plush or cradling surface.
YOUR SLEEP, BACKED BY US
Every mattress at Mancini's Sleepworld comes with a 120-night comfort guarantee and our Rest Easy Promise, including the Best Price Guarantee and free next-day delivery with professional in-home setup. Add a premium mattress protector at checkout and you can choose to extend your guarantee to a full 365 nights. Flexible financing is available, and you're always welcome to come try this mattress in any Mancini's Sleepworld showroom before you commit.
- SleepMatch: blue
Rest Easy Promise
Our promise to you.
- 365-Night Comfort Guarantee with purchase of a premium mattress protector
- Best Price Guarantee Find it lower and we’ll match it.
- Free Next-Day Delivery We’ll deliver to your door, set-up available.
- Double-Your-Warranty We match the manufacturer’s warranty.
Features
- SKU: BRK-GRA-4M-FM-25
- MPN: 25WI13ALPMF_FP46
- GTIN: 810191940852
- Brand: Mancini's
- Collection: Sleepworld
- Type: Foam
- Mattress In A Box: No
- Firmness: Firm
- Height: 13
- Length: 75
- Width: 54
- Shipping Height: 13
- Shipping Width: 75
- Shipping Length: 54
- Warranty: 10 Year
- Cover Material: Polyethylene & Poly Blend
- Quilting Layers: Smooth Top
- Comfort Layers: 1'' 4.0 / 13 Titanium M-Foam,2'' 3/10 titanium M -Foam
- Support System: 2.0 1.8 / 18 transition over 8.0 1.8 / 36 H.D Base Foam
Specification
-
Suitable For Adjustable Base: Yes
-
Motion Separation: Yes