Skip disability assistance statement.

Welcome to our website! As we have the ability to list over one million items on our website (our selection changes all of the time), it is not feasible for a company our size to record and playback the descriptions on every item on our website. However, if you have a disability we are here to help you. Please call our disability services phone line at (941) 922-2292 during regular business hours and one of our kind and friendly personal shoppers will help you navigate through our website, help conduct advanced searches, help you choose the item you are looking for with the specifications you are seeking, read you the specifications of any item and consult with you about the products themselves. There is no charge for the help of this personal shopper for anyone with a disability. Finally, your personal shopper will explain our Privacy Policy and Terms of Service, and help you place an order if you so desire.

SAME DAY DELIVERY | FAMILY OWNED SINCE 2015

Harmony Lux Anchor Island 12.5" Firm Mattress -Twin XL

Beautyrest

Features

  • With 40% more coils than Harmony models that offer increased support for any sleep position and undisturbed rest
  • Infinicool® Lux technology with Breathable, moisture-wicking fabric and plant-based cooling technology deliver advanced cooling for comfortable sleep
  • Beautyrest® ActiveResponse™ Memory Foam with contouring comfort for your body helps alleviate aches and pains caused by pressure
  • A lush sleep surface made from up to 100* recycled plastic bottles collected by hand from oceans and within 50 km of coastlines. * Plastic bottles collected vary by model ranging from 60 to 100

Quick Specs

  • Brand: SIMMONS
  • Line: Beautyrest
  • Type: Tight Top
  • Width: 38"
  • Height: 12.5"
  • Depth: 79.5"

See More

 
Experience support for more than just your body with the Harmony Lux Collection. Innovative materials work harmoniously to bring you restorative sleep with improved support, advanced motion isolation, and a lush cover made from plastic bottles diverted from the ocean. The Precision Support System™" offers 40% more support coils compared to Harmony models for even more head-to-toe support across the entire mattress, so you and your partner sleep undisturbed. Up to 100 plastic bottles collected by hand from coastlines and ocean-bound waterways* have been transformed into premium fabric to create a lush, durable sleep surface that helps contribute to cleaner water. Infinicool® Lux technology helps you stay comfortably cool all night with its breathable, moisture-wicking fabric infused with cooling fibers and plant-based cooling technology. Pressure-relieving foams help ease aches and pains while also creating airflow throughout the mattress. Step-ups feature bio-charcoal cooling foam and 2X the memory foam enhanced pressure relief. All models are crafted with a lofty, quilted top, making them perfect for those who prefer a lifted feel and want rejuvenating sleep each and every night.

*Collected from areas within 50km of coastlines. Plastic bottles collected vary by model ranging from 60 to 100.

Features

  • With 40% more coils than Harmony models that offer increased support for any sleep position and undisturbed rest
  • Infinicool® Lux technology with Breathable, moisture-wicking fabric and plant-based cooling technology deliver advanced cooling for comfortable sleep
  • Beautyrest® ActiveResponse™ Memory Foam with contouring comfort for your body helps alleviate aches and pains caused by pressure
  • A lush sleep surface made from up to 100* recycled plastic bottles collected by hand from oceans and within 50 km of coastlines. * Plastic bottles collected vary by model ranging from 60 to 100
  • We only use CertiPUR-US® certified foams in all our products
  • All our mattresses are proudly assembled in the USA
  • Adjustable Base Friendly - helps reduce snoring and makes reading or watching TV more comfortable
  • We stand by our Beautyrest mattresses with a 10-Year Limited Warranty
  • Your new mattress may initially feel firmer than expected. Please allow up to 60 days to acclimate to your new mattress as it naturally adjusts to contour, comfort, and support you best
  • For the person who likes firm comfort and support with equal weight distribution. Ideal for stomach or back sleepers.
  • Premium memory foam is temperature-sensitive; it may feel firmer in cooler temperatures and softer in warmer ones. For your preferred comfort, please allow several hours for your memory foam mattress to adjust to the room's temperature
Brand Beautyrest
Manufacturer Name Serta Simmons Bedding LLC
UPC 889152619298
Computed Mattress Size Twin XL
Country of Manufacture USA
Assembled in USA? Yes
Computed Product Type One Sided Mattress
Product Category Mattress
Family Name Harmony Lux
SubFamily Name Anchor Island
Mattress Top Type Tight Top
Mattress Type Innerspring
Product Type Mattress
Year of Launch 2023
Dealer Line National Line
Layer 1 Material INFINICOOL® LUX
Layer 1 Thickness (in) 0.05
Layer 2 Material Quilted Comfort Layer made from upcycled ocean-bound plastic bottles
Layer 2 Thickness (in) 0.05
Layer 3 Material AirCool® Foam
Layer 3 Thickness (in) 1
Layer 4 Material Firm Comfort Foam
Layer 4 Thickness (in) 0.5
Layer 5 Material Beautyrest ActiveResponse™ Memory Foam
Layer 5 Thickness (in) 0.5
Layer 6 Material Medium Comfort Foam
Layer 6 Thickness (in) 1.5
Layer 7 Material PRECISION SUPPORT SYSTEM™
1255 Series Double-Stranded Pocketed Coil®
Layer 7 Thickness (in) 8
Layer 8 Material Energy Foam
Layer 8 Thickness (in) 1
Base Layer Material Energy Foam
Product Depth (in) 79.5
Product Height (in) 12.5
Product Width (in) 38
Shipping Depth (in) 79.5
Shipping Height (in) 12.5
Shipping Width (in) 38
Product Weight (lb) 56.59,
Shipping Weight (lb) 58
Edge Support Technology Name BeautyEdge®
Adjustable Base Compatible? Yes
Antimicrobial? Yes
Breathable Construction? Yes
Coil Count 540
Coil Density 705.3971453296673
Coil Type Pocketed Coil
Coil Gauge Alternating rows:
0.074" and 2x0.063"
Cooling Technology? Phase change material
Edge Support? Yes
Foam Infusion? None
Handles Included? Yes
Hypoallergenic? No
Is Mattress 2 Sided? No
Latex Free? Yes
Low Motion Transfer? Yes
Lumbar Support Yes
Mattress Comfort Level Firm
Mattress Cover Design Waves
Mattress Cover Stitch Design None
Mattress In A Box? No
Memory Foam? Yes
Moisture-Wicking? Yes
Natural Fibers? No
Pillow Top? No
Primary Foam Type Polyurethane
Product Accent Color Teal
Product Cubes 23.44
Quilted Cover? Yes
Reinforced Center? No
Side Color Light Blue
Top Cover Color Gray
Weight Capacity 1000
Zipper Cover Machine Washable? N/A
Zipper Cover? No
Product Warranty Length 10
Does it Ship in a box No

Quick Specs


  • Manufacturer

  • Brand: SIMMONS
  • Line: Beautyrest

  • Appearance

  • Type: Tight Top

  • Dimensions

  • Width: 38"
  • Height: 12.5"
  • Depth: 79.5"
Poster Image

Video Assets

Watch Video

Poster Image

Video Assets - Short

Watch Video

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Extended warranties are usually very inexpensive and can save you thousands in the future. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Mattresses can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new bedding should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.