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Extra Firm
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On Sale
Overview
- SleepMatch: red
Mancini's Sleepworld Granite Bay Extra Firm Mattress 13"
- Extra firm memory foam keeps the spine properly aligned
- Graphite, Copper, and Titanium foam draws heat away while you sleep
- Dense support core holds its shape year after year
- Stretch knit cover stays cool against the skin all night
- Built for stomach and back sleepers who need real resistance
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In Stock
Overview
Mancini's Sleepworld Granite Bay Extra Firm Mattress 13" Twin
⭐⭐⭐⭐⭐ 4.8 · 10+ verified sleepers
The Mancini's Sleepworld Granite Bay Extra Firm Mattress 13" is a foam mattress built for the sleeper who needs a firm mattress for back pain relief and wakes up feeling unsupported on anything that gives. It starts with a Super Heavy Weight "Cold" stretch knit quilt panel that regulates surface temperature without adding plushness. Underneath, Ultra High Density "Firm" Memory Foam layers infused with Graphite, Copper, and Titanium work together to pull warmth away from the body while conforming just enough to take the edge off pressure points. The dense base foam underneath resists softening over time so this mattress performs in year three the same way it does on night one. Stop by any Mancini's Sleepworld location and a sleep specialist will walk you through exactly how this one feels against every competing option on the floor.
COMFORT AND FEEL: Extra firm feel with minimal sink and strong lumbar resistance throughout the night.
SIZE: This Twin sized mattress is 39 inches by 75 inches, a focused sleep surface ideal for a single sleeper, a child's room, or a spare bedroom.
BEST SLEEP MATCH: Stomach and back sleepers will feel right at home here. The extra firm feel keeps the hips from dropping and the lower back from bowing, which is exactly what those positions need.
BEST FOR: Ideal for sleepers who need consistent spinal support, run warm at night, or have been waking up with lower back stiffness.
CONSTRUCTION SPECIFICATIONS: The stretch knit "Cold" quilt panel regulates surface temperature without adding softness. Ultra High Density Firm Memory Foam infused with Graphite, Copper, and Titanium pulls heat away and gently cushions pressure points. The Super High Density foam base resists body impressions and keeps the support structure solid for the long term.
SETUP AND COMPATIBILITY: Works with a platform frame, box spring, or adjustable base. Delivered flat with professional in-home setup available through Mancini's Sleepworld.
NOT A FIT FOR: Side sleepers who need hip and shoulder cushioning, or anyone who prefers a mattress with meaningful contouring or softness.
YOUR SLEEP, BACKED BY US
Every mattress at Mancini's Sleepworld comes with a 120-night comfort guarantee, free next-day delivery, in-home professional setup, and our Best Price Guarantee. Come try this mattress before you buy it in any of our showrooms. If you add a premium mattress protector at the time of purchase, you can upgrade your guarantee to a full 365 nights. Flexible financing is also available. That is the Rest Easy Promise.
Features
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Suitable For Adjustable Base
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Motion Separation
- SleepMatch: red
Mancini's Sleepworld Granite Bay Extra Firm Mattress 13"
Features
- SKU: BRK-GRA-3M-XF-25
- MPN: 25WI13ALPF_FP33
- GTIN: 810191940777
- Brand: Mancini's
- Collection: Sleepworld
- Type: Foam
- Mattress In A Box: No
- Firmness: Extra Firm
- 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'' 3.6 / 22 Firm H.D M-Foam
- Support System: 10.0 1.8 / 36 H.D Base Foam
Specification
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Suitable For Adjustable Base: Yes
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Motion Separation: Yes