• Extra Firm
  • On Sale

Why this Mattress?

  • Extra firm support keeps spine aligned all night
  • Titanium-infused memory foam draws heat away from the body
  • CoolSense™ cover stays cool to the touch from the first contact
  • Individually wrapped coils reduce motion transfer between partners
  • Firm edge-to-edge support holds its shape through years of use
Aireloom

Aireloom Pinnacle Summit Extra Firm Mattress 12"-Split Cal King

Item No. ALB-SUM-6SM-XF-25
Delivery by Aug 11 to 94550
Price reduced from MSRP  $2,899.99 to Save 10% $2,599.99

Twin 38″ x 75″
Price reduced from MSRP  $2,749.99 to Save 11% $2,449.99
Twin XL 38″ x 80″
Price reduced from MSRP  $2,899.99 to Save 10% $2,599.99
Full 53″ x 75″
Price reduced from MSRP  $2,899.99 to Save 10% $2,599.99
Cal King 72″ x 84″
Price reduced from MSRP  $3,899.99 to Save 8% $3,599.99
Split Cal King 36″ x 84″
Price reduced from MSRP  $2,899.99 to Save 10% $2,599.99
Eastern King 76″ x 80″
Price reduced from MSRP  $3,899.99 to Save 8% $3,599.99
Queen 60″ x 80″
Price reduced from MSRP  $2,999.99 to Save 10% $2,699.99
Availability:
  • In Stock
Total $2,599.99
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Aireloom Pinnacle Summit Extra Firm Mattress 12"

Price reduced from MSRP  $2,899.99 to Save 10% $2,599.99
Price reduced from MSRP  $2,899.99 to Save 10% $2,599.99

Why this Mattress?

  • Extra firm support keeps spine aligned all night
  • Titanium-infused memory foam draws heat away from the body
  • CoolSense™ cover stays cool to the touch from the first contact
  • Individually wrapped coils reduce motion transfer between partners
  • Firm edge-to-edge support holds its shape through years of use

Overview

Aireloom Pinnacle Summit Extra Firm Mattress 12" · Split Cal King

The Aireloom Pinnacle Summit Extra Firm Mattress 12" is a hybrid mattress built for back and stomach sleepers who need maximum spinal support without sacrificing the refined feel of a luxury bed. This is not a mattress that simply feels firm. The Aire-Adapt™ and Aire-React™ memory foam layers work with your body weight to keep the lumbar in line, so you stop waking up with that familiar low-back ache. The extra firm mattress for back pain relief this collection is known for comes through in how steady and controlled the surface feels under a heavier or more active sleeper. Stop by any Mancini's Sleepworld location and a sleep specialist will place this next to every option in the range so you can feel the difference for yourself.

COMFORT AND FEEL: Extra firm feel with slow-recovery memory foam that contours without sinking, keeping the spine supported all night.

SIZE: This Split Cal King sized mattress is designed for couples who want independent customization across a longer, narrower profile, ideal for taller sleepers sharing a bed.

BEST SLEEP MATCH: Best for back and stomach sleepers who need a firm mattress for back sleepers that holds the hips level and prevents the midsection from dipping. The extra firm feel does exactly that.

BEST FOR: Ideal for sleepers who carry weight in the midsection, need lumbar stability through the night, or run warm and want a surface that does not trap heat.

CONSTRUCTION SPECIFICATIONS: The CoolSense™ knit cover is cool to the touch and manages surface temperature through the night. Beneath it, two layers of slow-recovery Aire-Adapt™ and Aire-React™ titanium-infused memory foam conform to the body while channeling heat away. Support-Flex™ individually wrapped coils form the core, providing zoned pushback and minimizing motion transfer. A high-density foam base keeps the structure stable over time.

SETUP AND COMPATIBILITY: This mattress is compatible with adjustable bases, platform frames, and box springs. It is delivered flat with in-home professional setup available.

NOT A FIT FOR: Not recommended for side sleepers or lightweight sleepers who need pressure relief at the shoulder and hip. The extra firm feel offers minimal cushioning at those contact points.

YOUR SLEEP, BACKED BY US

At Mancini's Sleepworld, every mattress purchase comes backed by a 120-night comfort guarantee and our Best Price Guarantee, so you know you paid the right price. Add a premium mattress protector at the time of purchase and you can extend that to a full 365 nights. Come try this mattress in one of our stores, take advantage of free next-day delivery, in-home professional setup, and flexible financing. Our sleep specialists are here to make sure this is exactly the right bed for you.

  • SleepMatch: red
A color code of red indicates that you need extra firm support. This is often true of some back sleepers and stomach sleepers. Find Your Match
Couple relaxing on a mattress

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: ALB-SUM-6SM-XF-25
  • MPN: 9415782
  • GTIN: 810148767723
  • Brand: Aireloom
  • Collection: Pinnacle
  • Type: Hybrid
  • Mattress In A Box: No
  • Firmness: Extra Firm
  • Height: 12
  • Length: 84
  • Width: 36
  • Shipping Height: 13
  • Shipping Width: 85
  • Shipping Length: 40
  • Warranty: 10 Year Limited
  • Cover Material: Ultra-conforming Knit with CoolSense™ technology
  • Quilting Layers: Ultra-conforming Knit with CoolSense™ technology
  • Comfort Layers: Slow recovery memory foam, Slow recovery memory foam, HD Foam

Specification

  • Suitable For Adjustable Base: Yes
  • Motion Separation: Yes
  • Cooling Technology: Yes
  • Edge Support: Yes
  • Hand Crafted: Yes