Beautyrest Black® C-Class 13.75" Extra Firm Mattress
Overview
This luxurious mattress collection is all about next-level comfort and cooling. A premium, zoned coil system delivers up to 21% more support* where your body needs it most. And for those who tend to sleep hot? Plant-based cooling material provides up to 18% more cooling power.** Plus, a layer of silk, alpaca and cashmere ensures consistent airflow and breathability.
*in the center-third of mattress, exact percentage varies by model
**vs. Harmony Lux Collection for the first 20 minutes
Compare the Collection
Mattress Firm offers one of the largest selections of mattresses to choose from. With a curated assortment of brands and products at every price point, you are sure to find the best mattress for your sleep needs.
- Price
- Deliver By
- Comfort
- Best For
- Mattress Type
- Height
Cooling Technology
Craftsmanship
Durability
Motion Separation
Pressure Relief
Support
Adjustable Base Friendly
Breathable
Extra Firm
Back and Stomach Sleepers
Innerspring
13.75"
Mattributes
Cooling Technology
Craftsmanship
Durability
Motion Separation
Pressure Relief
Support
Adjustable Base Friendly
YESBreathable
YES
Plush
Side Sleepers
Innerspring
16"
Mattributes
Cooling Technology
Craftsmanship
Durability
Motion Separation
Pressure Relief
Support
Adjustable Base Friendly
YESBreathable
YES
Medium
Side, Stomach and Back Sleepers
Innerspring
13.75"
Mattributes
Cooling Technology
Craftsmanship
Durability
Motion Separation
Pressure Relief
Support
Adjustable Base Friendly
YESBreathable
YES
Need help deciding? Talk to a Sleep Expert®
Our Sleep Experts® are available in-store, online or by phone or chat to help find your perfect mattress.
Benefits
Features
EXTRA FIRM COMFORT
MATTRESS HEIGHT
Zoned T3 Pocketed Coil® Technology: The premier support system provides enhanced support where you need it most while absorbing bed partner movements for undisturbed sleep.
Self-Response™ Latex: Conforming to the unique shape your body, this responsive layer provides pressure relief for hips and shoulders while gently supporting your neck and back.
BlackICE™ with Plant-Based Cooling: The advanced temperature management system keeps you cool and comfortable to help you fall asleep and stay asleep all night.
Antimicrobial Mattress Protection: Keeps mattress fresh and clean from odor causing bacteria*.
Split-Sizes available to purchase via Call (877-384-2903)/Chat or In-Store
Breakdown
- Quilting Layer
- Antimicrobial Mattress Protection
- BlackICE™ with Plant-Based Cooling Technology
- ½" Firm Comfort Foam
- ¾" SurfaceTouch™ Gel Memory Foam
- Comfort Layer
- 2" Firm Comfort Foam
- ½" Self Response™ Latex
- 1" Natural Alpaca, Cashmere, and Silk Fibers
- Support System
- Zoned T3 Pocketed Coil® Technology
- Energy Foam
- BeautyEdge®
Free Delivery
Includes transportation, mileage and tolls
Home protection from outside direct and elements
Delivery where you want - front door, side door or even garage
Contactless delivery, meaning we won’t enter your home
Regular $24.99
NOW FREE
Mattress Setup
and Haul Away
Includes all Free Delivery services plus:
New mattress and box spring setup
Removal of packaging material from purchased item(s) & removal of old mattress set (equal to the number of pieces purchased)
Three maximum flight of stairs purchased items can be carried
$99.99
Mattress Setup and
Haul Away / Adj Base
Includes all Mattress Setup and Haul Away
services plus:
Five maximum flight of stairs purchased items can be carried
Delivery and setup of up to three mattress sets
Setup of adjustable bases purchased from Mattress Firm
$149.99