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Mattresses keyboard_arrow_right Mattress and Box Spring Sets keyboard_arrow_right Southerland Bedding Co. Elbert Firm Twin XL 12" Firm Mattress Set

Twin Extra Long 12" Firm Mattress and 9" Black Standard Foundation

Elbert Firm Collection by Southerland Bedding Co.
SKU: Z0SLET1FT13980+Z0WBBXX1W93980

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dim: Height (inches): 12.25" H
See Construction and Specifications


The Elbert Firm Twin Extra Long 12" Firm Mattress and 9" Black Standard Foundation, made by Southerland Bedding Co., is brought to you by Jacksonville Furniture Mart. Jacksonville Furniture Mart is a local furniture store, serving the Jacksonville Areas, and servicing Gainesville, Palm Coast, Fernandina Beach area. Product availability may vary. Contact us for the most current availability on this product.
  • Innerspring
  • Pocketed Coil
  • Firm
  • Tight Top
  • No Flip
  • Motion isolation
  • Cooling technology
  • Adjustable base compatible
  • Pressure relief


Gel-Infused Memory Foam
Gel-infused memory foam adjusts to the contours of your body while offering superior comfort. Gel also adds a combination of cooling & support factors for a durable and cool sleeping experience.
Foam Encasement System
Foam Encasement System
This Foam Encasement System locks in the innerspring unit and forms a durable seating edge that increases your sleep surface by 10-20%.
Individually Wrapped Coils
Individually Wrapped Coils
Individually Wrapped Coils target zones of your body to disperse pressure and eliminate pressure points that inhibit circulation and cause tossing and turning. This is also designed to give the correct amount of support to the shoulder, hip, thigh, and calf areas.
Natural Tencel™ Fiber in Cover
Natural Tencel™ fiber in the cover that promotes moisture wicking and improves airflow resulting in a drier and cooler sleep environment.


This item consists of:

Sku Item Qty Width Depth Height
SOLD-Z0WBBXX1W93980 Twin XL Standard Base 9" Height 1 9"
Z0SLET1FT13980 Twin XL 12" Firm Mattress 1 12.25"
Item & Dimensions
Manufacturer Southerland Bedding Co.
Item & Dimensions
Mattress Size Twin Extra Long
Height (bottom to top) 12.25" H
Mattress Type Innerspring
Mattress Type Pocketed Coil
Comfort Level Firm
Features No Flip
Features Motion isolation
Features Cooling technology
Features Adjustable base compatible
Features Pressure relief
Comfort Layers 3/4" Comfort Foam; Gel Infused Memory Foam in Lumbar Region
Top Premium Tencel® Cover
Coils and Support 1" HD Loft Pad; 8" Individually Wrapped Coils; 1" HD Loft Pad
Edge Support Foam Encased Edge
Warranty 10 Year Non-Prorated Warranty
Origin Made In the USA
Style Elements
Tight Top
How to Shop For a Mattress
Sleep Health and Habits Guide
Sleep Health and Habits Guide
Adjustable Base Buying Guide
Reference #: Z0SLET1FT13980+Z0WBBXX1W93980
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Twin XL 12" Firm Mattress Set
Southerland Bedding Co. Elbert Firm Twin XL 12" Firm Mattress Set
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