King Simmons Beautyrest Hybrid Level 1 BRX1000-IP Extra Firm 13.5 Inch Mattress

King Simmons Beautyrest Hybrid Level 1 BRX1000-IP Extra Firm 13.5 Inch Mattress

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King Simmons Beautyrest Hybrid Level 1 BRX1000-IP Extra Firm 13.5 Inch Mattress
King Simmons Beautyrest Hybrid Level 1 BRX1000-IP Extra Firm 13.5 Inch Mattress

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Expert Review

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Extra Firm, But With Some Initial Padding

by Jed Harrington

The Beautyrest BRX1000 IP Extra Firm King Size Mattress has a very dense underlying feel, similar to what you may expect from an extra firm model, but the initial padding contours better than most extra firm models I've tried. If you want to find the firmest feel possible, this may not be the best choice for you, but if you want firm comfort that’s not hard, this mattress has a lot to offer.

3 Out of 10 On Our Comfort Scale

A mattress that has a Comfort Scale score of 3 out of 10 (10 being the softest) feels firm to very firm, but it’s not very hard. When you’re sleeping on your back, this mattress will contour well, but it will still provide you with a very firm underlying feel.

ContourFit Design Ensures Comfort is Consistent

One of my favorite features in bedding, the ContourFit Design puts nearly no barrier between you and the comfort layers, resulting in a mattress that will fit your body like a glove.

Less Heat, Better Nights of Rest

InfiniCool Plus fiber consists of two components, one on top and one just underneath the quilt, to keep you sleeping thermal neutral throughout the night.

Superb Support From a Proven System

The 1000 Series Pocketed Coil is a tried and true system that has been favored by Beautyrest for many years. It's expertly engineered to contour to the unique shape of your body, offer solid support, and help minimize transfer of motion for undisturbed sleep.

The Number One Option For You?

If you enjoy a firm comfort level, the BRX1000 IP Extra Firm King Size Mattress may be an excellent choice for you. The comfort, construction, and comfort materials are all amazing quality and feel very substantial. This mattress is dependably built and comes complete with a 10-year warranty to ensure your satisfaction.


Comfort This describes how a mattress feels. The Comfort Scale rating is based on how the cushioning materials conform to the body's shape. The higher the number the softer the mattress.

Quilt - Top of Mattress This is the outside cover on the top of the mattress. It covers and protects the comfort and support layers inside.

Comfort - Padding Layers This provides a cushioning layer between you and the support system in the bed. Different kinds of padding will provide different levels of comfort.

Correct Back Support System This is a general term used to describe how a mattress distributes and stabilizes body weight and maintains proper spinal alignment. Different materials provide different levels of support.

Box Spring - Foundation (optional)

  • Regular Box Spring Height: 9
  • Low Profile Height: 5

Warranty This tells you what kind of warranty you have and how long it will last. A typical warranty lasts about 10 years.

  • 10 year warranty against manufacturer's defects
  • No Flip, No Rotate
  • Non-prorated

Made In This tells you where your mattress is manufactured.

  • United States


  • MATT-927415, STD-99200095, LP-99200096


Cal King13.5"72"84"
Twin XL13.5"38"80"
SizeCoil Count
Cal King1316
Twin XL638

Works With All Bed Types

Box Spring
Box Spring
Traditional Frames
Traditional Frames
Adjustable Bases
Adjustable Bases

Your mattress purchase is fully compatible with all modern support systems, including adjustable base, platform bed, box spring/foundation, even the floor!

Customer Reviews

Average Review

63 Reviews
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Xsensor Overview

We test and measure body pressure on each mattress using sophisticated technology. We then provide you a personal recommendation.

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Comfort Depth Overview

See how far you'll sink into our mattresses - see how they'll feel. With our Comfort Depth measurements you'll know how a mattress will feel.

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Delivery Info

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Delivery Options & Timing:
Free In-Home Setup & Removal
  1. TIMING: You'll receive your mattress in about 2 to 3 weeks anywhere in the continental 48 states that's road accessible. Check your zip code for an estimated delivery date.
  2. IN-HOME WHITE GLOVE DELIVERY: It's super easy; the delivery team will bring in and place your new mattress in your bedroom unpack it and take away the packaging. You can also add mattress removal for free when you select that option online. (Delivery is up to 2 flights of stairs. Additional arrangements are subject to charge by the delivery carrier.)
  3. SCHEDULING DELIVERY: You'll be contacted by our carrier to schedule your delivery. Someone must be home to accept delivery.
  4. FURNITURE & BEDDING: Furniture & bedding deliver separately.
  5. WEEKEND OR EVENING DELIVERY: May be available for a nominal fee. Order by phone at 1-800-455-1052.
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Pick the Right


  • Sleep cooler through the night with DualCool Technology
  • Feel supported with 900 Series Pocketed Coils
  • Consistent comfort with the BeautyEdge Foam Encased Edge