iComfort Carbon Fiber 4000 Mattress

Manufacturer: Serta Mattress Company

SKU: 800618CF4000-3-8MATT MFG: 800618CF4000-3-8Matt
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$ 1,599
at $1,999
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Product at a Glance
Made in America
Comfort Level: Firm
Mattress Type: Foam
The iComfort Carbon Fiber 4000 Mattress is infused with individual carbon fibers to conduct body heat away. A full surface of Phase Change Material absorbs, stores and releases excess body heat. The Max Cold Cover is Polyethylene so constantly cool to the touch. Air support foam offers more individualized support and pressure relief.

  • Ultra Cold System.
  • Max Cold Cover.
  • Air Support Foam.
  • Made in Oklahoma City, Oklahoma.

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Dimensions and Care

Twin XL

  • Length: 79"
  • Width: 38"
  • Depth: 13.5"


  • Length: 79"
  • Width: 60"
  • Depth: 13.5"


  • Length: 79"
  • Width: 76"
  • Depth: 13.5"

  • Rotate mattress head to toe every three months.
  • Keep and maintain a waterproof mattress protector on the mattress at all times.
Warranty and Returns


We offer a 7-day return policy at our discretion for all items purchased in-store or online. See our return policy.



FFO Home offers a one-year warranty for all products limited to product defects related to manufacturing workmanship and/or defective materials. For all approved and covered warranty claims, FFO Home will, at FFO Home’s discretion, repair the product, exchange it for the same item (if still available), or give you in-store credit for the original price you paid for the product. Learn more.

Pick Up in Store or Have it Delivered

FFO Home is pleased to offer convenient pick-up and delivery options for customers within 50 miles of an FFO Home store. Items are usually available for pick-up or delivery within 3-5 days of making your purchase but may take up to 3 weeks if a transfer is needed. Call or chat with us to find out when the item(s) you're interested in will be available. 


Free Store Pick-up

Find something you love and don't want to wait? Pick up your purchase FREE at your local FFO Home Store.


Threshold Delivery

Convenient and affordable, FFO Home will deliver your purchase to or right inside of your front door.

Starting at $79*


White Glove Delivery

Let FFO Home do all the work. We'll deliver your purchase, place it within your home, assemble it for you, and then remove any packaging. 

Starting at $99*


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*Please Note: Delivery rates vary based on order total and delivery distance. Additional charges may apply for extra stairs, if more than one room needs set up or if you need your old product hauled away.


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