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Nectar Ultra Memory Foam 5.1 California King Mattress

Nectar Ultra Memory Foam 5.1 California King Mattress

  • What you’ll love
  • Product Details
  • Shipping & returns

What you’ll love

The Nectar Ultra 15” Memory Foam Mattress provides the pinnacle of pressure-relief with 4x more contouring memory foam* and a zoned ergonomic support layer providing targeted comfort to your shoulders, back, and hips. Stop overheating in your sleep thanks to 4x more cooling fibers* and temperature-regulating phase change material. Experience deep, uninterrupted sleep with the unparalleled comfort of Nectar Ultra.
* Compared to Nectar Classic

Benefits

  • 4x more contouring memory foam than Nectar Classic plus a zoned ergonomic support layer providing dynamic pressure-relief for your shoulders, back, and hips
  • 4x more cooling fibers than Nectar Classic plus temperature-regulating phase change material
  • 15-inch height with 5 expertly crafted layers for superior comfort and support
  • 100% fiberglass-free and made with CertiPUR-US® certified foams for durability and peace of mind
  • 365-Night Home Trial & Forever Warranty
  • Free Shipping & Returns

Good mattress for

  • Business Insider: Award WinnerBest Foam Mattress For Back Pain 2025
  • Best Mattress for Side Sleepers 2025: Award WinnerMattress Clarity
  • Side Sleeper: Award WinnerSleepopolis 2024
  • Back Sleeper: Award WinnerMattress Nerd 2024
  • Best Foam Mattress for Back Pain: Award WinnerBusiness Insider 2024
  • Stomach Sleeper: Award WinnerSleep Foundation 2024
  • 9 out of 10 Back Pain Sufferers: Said their Nectar mattress helped some or a lot.*
    *Based on a randomized survey of Nectar mattress product owners conducted in July 2020.

Available upgrades

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Ultra Memory
Comfort
Support
Cooling
Default Title: $1,486.99 Total Value $2,146.14

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  • Memory Foam
  • Hybrid Foam + Springs

Discover Layers Of Premium Comfort

How it helps

Breathable, cool-to-the-touch fabric ensures a refreshing sleep experience, while antimicrobial properties help maintain a healthy sleeping surface.

What is it

Soft fabric cover with cooling fibers and an antimicrobial treatment

How it helps

Enjoy restorative sleep with contouring memory foam that provides unmatched comfort, cushioning your back and hips for a more restful night. Plus, a top sheet of phase change material dynamically reacts to your body’s temperature and helps balance it for an ultra cool sleep.

What is it

4 inches of memory foam topped with a sheet of phase change material

How it helps

Zoned support foam uses three ergonomic zones to provide extra support for your shoulders, back, and hips, while promoting proper spinal alignment and keeping you properly positioned on top of the mattress for uninterrupted sleep.

What is it

3 inches of support foam with three ergonomic zones

How it helps

Enhances overall stability and reduces motion transfer, offering a solid foundation with robust edge support for consistent sleep quality.

What is it

8 inches of foundational foam

How it helps

This soft, protective cover secures the mattress’ core, preventing layers from shifting and enhancing the overall longevity of the mattress.

What is it

Heavy-duty, shift-resistant fabric cover

Premium Comfort Layers
1 2 3 4 5