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Shop Twin Extra Long Firm Mattresses

Overview

For tall single sleepers seeking extra support while they sleep, a twin extra-long firm mattress, measuring 39" x 80", is the mattress of choice. With a twin extra-long firm mattress, you will not only rest easy with six more inches of legroom, but you'll also have plenty of support that will keep your body aligned throughout the night.

23 results

Simmons Beautyrest Recharge Hartfield 11.5" Luxury Firm Mattress
Simmons Beautyrest Recharge Hartfield 11.5" Luxury Firm Mattress

$749.00 - $999.00 $799.00 - $1,299.00 (up to 23% off)

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Extra thick 11.5" mattress
- Pocketed coil provides extra support
- Cooling technology
Simmons Beautyrest Recharge Bay Spring 14" Luxury Firm Pillow Top Mattress
Simmons Beautyrest Recharge Bay Spring 14" Luxury Firm Pillow Top Mattress

$949.00 - $1,199.00 $999.00 - $1,499.00 (up to 20% off)
Pay over 24 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $999.00, excluding tax and delivery charges, for 24 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Extra thick 14" mattress
- Pocketed coil provides extra support
- Cooling technology
Simmons Beautyrest Greenwood 9.5" Firm Mattress
Simmons Beautyrest Greenwood 9.5" Firm Mattress

$447.00 - $597.00 $497.00 - $897.00 (up to 33% off)

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Thick pocketed coil 9.5" mattress
- Pocketed coil provides extra support
- Temperature regulating
Sleepy's Rest 10" Firm Innerspring Mattress
Sleepy's Rest 10" Firm Innerspring Mattress

$199.00 - $349.00 $249.00 - $449.00 (up to 29% off)

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Quilted foam offers a supportive and comfortable sleep surface
- Support foam provides a firmer comfort
- 360° Foam-encased edge support reduces sinking and sagging
tulo 10" Firm Mattress
tulo 10" Firm Mattress

$525.00 - $750.00 $575.00 - $950.00 (up to 23% off)

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Cooling memory foam prevents over heating
- Responsive foam layer provides pressure relief
- Foundation layer promotes firm comfort
Sleepy's Hush 10" Firm Encased Coil Mattress
Sleepy's Hush 10" Firm Encased Coil Mattress

$649.00 - $799.00 $699.00 - $1,099.00 (up to 27% off)

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Four unique foam layers provide support and ultimate comfort
- Individually wrapped encased coils minimize motion transfer
- ½" Cooling gel-infused memory foam helps dissipate body heat
Sleepy's Slumber 12" Firm Encased Coil Mattress
Sleepy's Slumber 12" Firm Encased Coil Mattress

$749.00 - $999.00 $799.00 - $1,299.00 (up to 23% off)
Pay over 24 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $999.00, excluding tax and delivery charges, for 24 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Three unique foam layers provide maximum support
- Quilted memory foam provides superior pressure relief
- ½" Cooling gel-infused memory foam helps dissipate body heat
Sleepy's Reserve 14" Firm Encased Coil Mattress
Sleepy's Reserve 14" Firm Encased Coil Mattress

$949.00 - $1,299.00 $999.00 - $1,699.00 (up to 24% off)
Pay over 36 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Three unique foam layers provide maximum support
- Individually wrapped encased coils minimizes motion transfer
- 1" Cooling gel-infused memory foam helps dissipate body heat
Simmons Beautyrest World Class Bridgewater 13.5" Firm Mattress
Simmons Beautyrest World Class Bridgewater 13.5" Firm Mattress

$1,349.00 - $1,799.00 $1,399.00 - $2,199.00 (up to 22% off)
Pay over 36 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Extra thick pocketed coil 13.5" mattress
- Pocketed coil provides extra support
- Cooling technology
ONLY AT MATTRESS FIRM

Serta iSeries Hybrid 100 13.5" Firm Mattress
Serta iSeries Hybrid 100 13.5" Firm Mattress

$1,249.00 - $1,599.00 $1,299.00 - $1,999.00 (up to 20% off)
Pay over 36 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Provides pressure relief and support
- Helps reduce heat build-up at sleep surface
- Adapts to your body for curve-hugging comfort
ONLY AT MATTRESS FIRM

Serta iSeries Hybrid 500 14" Cushion Firm Mattress
Serta iSeries Hybrid 500 14" Cushion Firm Mattress

$1,749.00 - $2,099.00 $1,799.00 - $2,599.00 (up to 19% off)
Pay over 36 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Soft, stretch-knit cover fabric
- Provides pressure relief
- Curve-hugging comfort and outstanding support
ONLY AT MATTRESS FIRM

Serta iComfort Blue Touch 300 11.25" Firm Memory Foam Mattress
Serta iComfort Blue Touch 300 11.25" Firm Memory Foam Mattress

$1,149.00 - $1,999.00
Pay over 36 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- TempActiv™ touch fabric offers a cool to the touch sensation
- EverCool® fuze gel memory foam dissipates body heat
- 1½" Deep reaction™ memory foam provides deep-down support
ONLY AT MATTRESS FIRM

Serta iComfort Blue Max Touch 1000 12.5" Cushion Firm Memory Foam Mattress
Serta iComfort Blue Max Touch 1000 12.5" Cushion Firm Memory Foam Mattress

$1,649.00 - $2,499.00
Pay over 48 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,999.00, excluding tax and delivery charges, for 48 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Temperature regulating technology infused into cover
- Firmer, deep-down supportive feel
- Conforms to your body for pressure point relief
ONLY AT MATTRESS FIRM

Simmons Beautyrest Black Hybrid Plus Tolliver 15.5" Firm Mattress
Simmons Beautyrest Black Hybrid Plus Tolliver 15.5" Firm Mattress

$3,899.00 - $4,499.00 $4,199.00 - $5,099.00 (up to 12% off)
Pay over 60 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $2,799.00, excluding tax and delivery charges, for 60 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Extra thick Hybrid 15.5" mattress
- Hybrid mattress reduces pressure points
- Cooling technology
ONLY AT MATTRESS FIRM

Simmons Beautyrest Black Hybrid Gladney 14" Luxury Firm Mattress
Simmons Beautyrest Black Hybrid Gladney 14" Luxury Firm Mattress

$2,699.00 - $3,299.00 $2,999.00 - $3,899.00 (up to 15% off)
Pay over 60 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $2,799.00, excluding tax and delivery charges, for 60 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Extra thick Hybrid 14" mattress
- Hybrid mattress reduces pressure points
- Cooling technology
Simmons Beautyrest Legend Winward 15.5" Luxury Firm Mattress
Simmons Beautyrest Legend Winward 15.5" Luxury Firm Mattress

$2,899.00 - $3,599.00 $3,199.00 - $4,199.00 (up to 14% off)
Pay over 60 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $2,799.00, excluding tax and delivery charges, for 60 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Extra thick 15.5" mattress
- Pocketed coil provides extra support
- Cooling technology
Simmons Beautyrest Legend McFarland 15.3" Firm Mattress
Simmons Beautyrest Legend McFarland 15.3" Firm Mattress

$2,299.00 - $2,999.00 $2,599.00 - $3,599.00 (up to 17% off)
Pay over 48 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,999.00, excluding tax and delivery charges, for 48 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Extra thick 15.3" mattress
- Pocketed coil provides extra support
- Cooling technology
WEB SPECIAL

Snuggle Home 8" Firm Foam Two-Sided Mattress
Snuggle Home 8" Firm Foam Two-Sided Mattress

$189.00 - $319.00 $239.00 - $389.00 (up to 25% off)

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Supportive memory foam
- Reversible for longer mattress life
- Hypoallergenic
WEB SPECIAL

Snuggle Home 6" Firm Memory Foam Two-Sided Mattress
Snuggle Home 6" Firm Memory Foam Two-Sided Mattress

$169.00 $219.00 (up to 23% off)

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- All-foam design provides support and comfort
- Reversible for longer mattress life
- Naturally hypoallergenic
WEB SPECIAL

Snuggle Home 10" Firm Foam Two-Sided Mattress
Snuggle Home 10" Firm Foam Two-Sided Mattress

$209.00 - $349.00 $259.00 - $439.00 (up to 26% off)

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Supportive all foam design
- Reversible for longer mattress life
- Hypoallergenic
Free Gift With Purchase

Purple Original Mattress
Purple Original Mattress

$699.00 - $1,299.00
Pay over 36 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- 2" of super-supportive Smart Comfort Grid™
- Ultra-durable Hyper-Elastic Polymer™
- Temperature-neutral materials
ONLY AT MATTRESS FIRM

Dream Bed Lux LX510 12" Firm Memory Foam Mattress
Dream Bed Lux LX510 12" Firm Memory Foam Mattress

$1,999.00 - $2,699.00 $2,299.00 - $3,299.00 (up to 18% off)
Pay over 48 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,999.00, excluding tax and delivery charges, for 48 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Supportive memory foam
- Extra-thick 12" mattress provides support and durability
- Contouring support and durabilty
ONLY AT MATTRESS FIRM

Simmons Beautyrest Black Memory Foam with BlackICE™ Aubrie 13.5" Firm Mattress
Simmons Beautyrest Black Memory Foam with BlackICE™ Aubrie 13.5" Firm Mattress

$3,299.00 - $3,999.00 $3,599.00 - $4,599.00 (up to 13% off)
Pay over 60 months!
All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $2,799.00, excluding tax and delivery charges, for 60 months at 0% APR*. Learn more.

EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
Features
- Extra thick memory foam 13.5" mattress
- Memory foam mattress reduces pressure points
- Cooling technology