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Beautyrest World Class Hybrid Level Four Medium Apex Top 14" Mattress

Original price $1,899.99 - Original price $3,859.98
Original price $1,899.99
$1,899.99
$1,899.99 - $3,859.98
Current price $1,899.99
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Free Curbside Shipping: 2 Weeks
White Glove Delivery: 3 Weeks
White Glove Delivery + Removal: 3 Weeks

The Beautyrest World Class™ Hybrid Level 4 Medium Apex Top 14" Mattress pairs 1000 Density Pocketed Coil® Technology with 2X the World Class Relief™ High Density Foam and a Patent-Pending Apex Top Design — three additional inches of ActiveResponse™ MAX Memory Foam plus a high-density foam encasement along the perimeter for upgraded pressure relief and enhanced edge support. Cool-to-the-touch InfiniCool® Technology and Beautyrest’s 10-Year Limited Warranty round out this 14" Medium feel mattress.

Beautyrest World Class Hybrid Level Four Medium Apex Top Mattress

Hybrid Comfort, Elevated by the Apex Top

The World Class™ Hybrid Level 4 Medium Apex Top pairs 1000 Density Pocketed Coil® Technology with a smooth, contouring hybrid surface. Level Four doubles the World Class Relief™ High Density Foam versus World Class® Hybrid Level Three for upgraded overall pressure relief.

This Apex Top model adds Beautyrest’s Patent-Pending Apex Top Design — three additional inches of ActiveResponse™ MAX Memory Foam plus a high-density foam encasement along the perimeter — for enhanced pressure relief and edge support, in a balanced Medium feel that works for most sleep positions.

Built For

Since 1925

Pioneers of Pocketed Coil® Technology

Beautyrest invented the pocketed coil — individually wrapped coils that move independently for targeted support and true motion isolation, so movement on one side of the bed stays there.

Patent-Pending

Apex Top Design

Three additional inches of Beautyrest® ActiveResponse™ MAX Memory Foam plus a high-density foam encasement along the perimeter deliver upgraded pressure relief and enhanced edge support.

All Sleepers

Versatile Comfort for Everyone

The Medium Apex Top feel balances cushioning and support, making it a fit for back, stomach, and side sleepers alike.

Why You'll Love the World Class™ Hybrid Level 4 Medium Apex Top

  • Hybrid comfort & support — 1000 Density Pocketed Coil® Technology paired with layered foam comfort, not just stacked
  • Medium, apex pillow top feel — balanced cushioning that works for back, stomach, and side sleepers
  • Patent-Pending Apex Top Design — three additional inches of ActiveResponse™ MAX Memory Foam plus a high-density edge encasement
  • 2X World Class Relief™ High Density Foam — vs. World Class® Hybrid Level Three, for upgraded overall pressure relief
  • Consistent 14" profile — fits standard frames, platform beds, and adjustable bases
  • Cool-to-the-touch surface — InfiniCool® Technology helps move excess heat away from the body
  • CertiPUR-US® Certified Foams
  • 10-Year Limited Warranty

Sizes & Specifications

Available Sizes
  • Twin
  • Twin XL
  • Full
  • Queen
  • King
  • Cal King
  • Split King
  • Split Cal King
Specifications
  • Construction: Hybrid — 1000 Density Pocketed Coil® Technology support core with World Class Relief™ High Density Foam, Beautyrest® ActiveResponse™ MAX Memory Foam, and a Patent-Pending Apex Top Design with a high-density foam encasement along the perimeter
  • Mattress Height: 14 inches
  • Feel: Medium
  • Certification: CertiPUR-US® certified foams
  • Warranty: 10-year limited warranty

Engineered for Medium, All-Night Support

Beautyrest World Class Hybrid Level Four Medium Apex Top Mattress cutaway showing coil and foam construction
Construction

What's Inside

  1. 1 Patent-Pending Apex Top Design — three additional inches of Beautyrest® ActiveResponse™ MAX Memory Foam plus a high-density foam encasement along the perimeter, for upgraded pressure relief and enhanced edge support.
  2. 2 World Class Relief™ High Density Foam — doubled in Level Four versus World Class® Hybrid Level Three, this layer responsively reacts to body temperature for remarkable pressure relief.
  3. 3 Beautyrest® ActiveResponse™ MAX Memory Foam — contouring comfort in the apex top for a responsive, body-conforming feel.
  4. 4 1000 Density Pocketed Coil® Technology — premier individualized support and motion separation for an undisturbed rest.
  5. 5 InfiniCool® Technology — a cool-to-the-touch sleep surface engineered to move excess heat away from the body.
Feel & Support

Built for a Medium, Apex Top Feel

This is the Medium Apex Top model in the World Class™ Hybrid Level Four line: a balanced medium feel enhanced by three additional inches of ActiveResponse™ MAX Memory Foam in the apex top, for extra cushioning without losing the coil support underneath.

Why it matters:

  • Balanced sink — supportive enough for back and stomach sleepers, cushioned enough for side sleepers
  • Extra apex top cushioning — three additional inches of ActiveResponse™ MAX Memory Foam for upgraded pressure relief
  • Reinforced edge support — a high-density foam encasement along the perimeter for a stable edge
Profile Height

A Consistent 14" Profile

The World Class™ Hybrid Level 4 Medium Apex Top holds a 14" profile across every size in the collection.

Why it matters:

  • Consistent height — the same profile no matter which size you choose
  • Frame-friendly — fits standard bed frames, platform beds, and adjustable bases
Made to Last

Certified Foams, Backed for the Long Haul

10-Year Limited Warranty: The World Class™ Medium is built with CertiPUR-US® certified foams — made without formaldehyde, flame retardants, prohibited phthalates, or heavy metals, and meeting low-VOC standards for indoor air quality — and backed by Beautyrest’s 10-Year Limited Warranty.

MATTRESS DIMENSIONS

  • Twin

    38" wide x 75" long
    14" High

  • Twin XL

    38" wide x 80" long
    14" High

  • Full

    54" wide x 75" long
    14" High

  • Queen

    60" wide x 80" long
    14" High

  • King

    76" wide x 80" long
    14" High

  • Cal King

    72" wide x 84" long
    14" High

  • Split King (2 mattresses)

    38" wide x 80" long (each piece)
    14" High

  • Split Cal King (2 mattresses)

    36" wide x 84" long (each piece)
    14" High

*Dimensions of each individual mattress may vary slightly.

SPECIFICATIONS

  • Construction: Hybrid — 1000 Density Pocketed Coil® Technology support core with World Class Relief™ High Density Foam, Beautyrest® ActiveResponse™ MAX Memory Foam, and a Patent-Pending Apex Top Design with a high-density foam encasement along the perimeter
  • Mattress Height: 14 inches
  • Feel: Medium
  • Certification: CertiPUR-US® certified foams — made without formaldehyde, flame retardants, prohibited phthalates, or heavy metals, and meeting low-VOC standards for indoor air quality
  • Warranty: 10-year limited warranty
  • Care: Spot clean only — use a clean white cloth with a mild oxi-based cleaning solution, blot (don't rub), and air dry completely before use. Use a mattress protector; do not apply liquids directly to the mattress. Rotate periodically for even wear.

10-Year Limited Warranty

COVERAGE

Beautyrest® or Simmons® mattress or foundations used with proper support is protected by a 10 year limited manufacturer’s warranty. The limited warranty covers manufacturing defects in your Beautyrest® or Simmons® mattress or foundation including faults in materials or manufacturing defects in the removable fabric cover available on select models. Replacement of one piece due to manufacturing defect does not automatically result in the replacement of any other piece. This limited warranty is provided only to the original purchaser and is not transferable.

EXCLUSIONS

    This warranty does not apply to and excludes:

    Consumer firmness/comfort preference.

    Normal changes in softness or recovery time of high density foams, including memory foam, due to normal use, temperature, or humidity.

    Normal body impression(s) as indicated by your warranty code (see chart).

    Consumer bed height/weight preference.

    Cover (fabric) and handles.

    Corner guards.

    Bent border/grid wires.

    Burns, cuts or tears.

    Vermin infestations.

    Mattresses or foundations displaying stains or soil that reasonably indicates the presence of potentially dangerous bodily fluids, blood borne pathogens or other substances that could cause injury.

    Mattresses used with an inadequate foundation and/or support system.

    Adjustable foundations (see owner’s manual for details on warranty coverage).

    Merchandise sold “as-is”, “distressed” or “floor model/sample”.

    Claims made outside the 50 United States, District of Columbia, Puerto Rico or U.S. Virgin Islands.

    Transportation, inspection, or removal costs of product, except in California.

TERM

The warranty coverage runs from the original date of purchase. Replacement of the mattress or foundation does not extend its limited warranty or begin a new limited warranty period. Your warranty period is based on the code printed on your white law label as indicated on the Warranty Code Chart below.

Warranty Code on Law Label B J H A P
Total Limited Warranty 1 Year 3 Year 5 Year 10 Year 10 Year
Normal Body Impression 1 1/2” or less 1 1/2” or less 1 1/2” or less 1 1/2” or less 3/4” or less

Please refer to Beautyrest.com or Simmons.com for additional codes.

SERVICE

If your Beautyrest® or Simmons® mattress or foundation fails due to a manufacturing defect, the exclusive remedy under this warranty will be replacement of the defective product in the U.S., Puerto Rico or U.S. Virgin Islands. If the Beautyrest® or Simmons® product you purchased is discontinued at the time of replacement, a current model of comparable quality and value will be selected.

To receive service under the terms of this warranty contact your original Beautyrest® or Simmons® dealer. If your original Beautyrest® or Simmons® dealer is no longer in business or you have moved outside the service area, please contact Simmons Consumer Services at customerassistance@simmons.com. A copy of original bill of sale is needed to determine original date of purchase. Model name label and law label must be provided to identify the bedding and validate this warranty.

Your Rights Under State Law

This warranty gives you specific rights, and you may have other rights, which vary from state to state. This warranty is extended only to the original purchaser from Simmons Bedding Company or its authorized dealers.