Twin Xl 11 5 Inch Mattresses

Perfectly balancing comfort and space, twin XL 11.5 inch mattresses are an ideal choice for those seeking a little extra length in their sleeping arrangement without compromising on quality. Designed to fit seamlessly into college dorms, guest rooms, or cozy apartments, these mattresses provide the perfect blend of support and relaxation. Discover a range of options that cater to various sleep preferences, ensuring you find the right match for your needs. Whether you're outfitting a new space or upgrading an existing one, twin XL 11.5 inch mattresses offer versatility and comfort for a restful night's sleep.

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Stearns & Foster Estate 15" Firm Euro Pillow Top Mattress

1981

Starting at

$2299⁰⁰

$2499⁰⁰

$200 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Allergies;Toss and Turn;Toss and Turn
Pain
Temperature

Receive $300 Instant Gift⁴ with purchase.

Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

$1350⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Bed Partner;Pain;Toss and Turn;Toss and Turn
Temperature
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Sleepy's By Sealy Medium Euro Top Mattress

3634

Starting at

$420⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner;Pain;Temperature;Toss and Turn;Toss and Turn
Temperature
Bed Partner

Queen mattress & base now $499 with code ELEVATE (must add base to cart)

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1231

Starting at

$900⁹⁹

$1400⁹⁹

$500 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Toss and Turn;Pain;Temperature;Bed Partner
Toss and Turn
Pain

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Tempur-Pedic TEMPUR-Adapt 1.0 11" Medium Mattress

2663

Starting at

$1190⁷⁷

$1699⁰⁰

$509 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Temperature;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

2763

Starting at

$1360⁹⁹

Extra Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 11.25" Firm Mattress

1718

Starting at

$960⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5254

Starting at

$660⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner;Pain;Temperature;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1467

Starting at

$650⁹⁹

$700⁹⁹

$50 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Allergies;Bed Partner;Temperature;Pain;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Purple Original Mattress

26805

Starting at

$799⁰⁰

$1099⁰⁰

$300 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Temperature;Pain;Bed Partner;Toss and Turn;Toss and Turn
Temperature
Allergies

Serta Perfect Sleeper Elkins III 11" Plush Euro Top Mattress

1593

Starting at

$900⁹⁹

Plush Comfort, best for

Side Sleepers
Pain;Temperature;Toss and Turn;Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Tulo 12" Medium Firm Cooling Hybrid Mattress

140

Starting at

$900⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Temperature;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Tulo 11" Medium Firm Cooling Hybrid Mattress

198

Starting at

$900⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Temperature;Bed Partner;Toss and Turn;Toss and Turn
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Serta Perfect Sleeper Midsummer Nights 11" Plush Eurotop Mattress

603

Starting at

$649⁰⁰

Plush Comfort, best for

Side Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest Black Series Two 16.25" Plush Pillow Top Mattress

212

Starting at

$2549⁰⁰

$2749⁰⁰

$200 OFF

Plush Comfort, best for

Side Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

$300 ⁶ adjustable base instant gift with purchase.

Tempur-Pedic TEMPUR-Adapt 11" Medium Mattress

2693

Starting at

$1699⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Temperature;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Tempur-Pedic TEMPUR-Adapt 11" Medium Hybrid Mattress

1887

Starting at

$1999⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Temperature;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Beautyrest Black Series Three 16.75" Plush Pillow Top Mattress

1026

Starting at

$3249⁰⁰

$3649⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner;Pain;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

$300 ⁶ adjustable base instant gift with purchase.

Purple Plus Mattress

872

Starting at

$1299⁰⁰

$1599⁰⁰

$300 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Temperature;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Serta Perfect Sleeper Sleep Excellence Extra Firm Mattress

760

Starting at

$1400⁹⁹

Extra Firm Comfort, best for

Back;Stomach Sleepers
Pain;Toss and Turn;Pain;Temperature;Bed Partner
Toss and Turn
Pain

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Purple Restore 11.5" Soft Hybrid Mattress

708

Starting at

$1699⁰⁰

$1999⁰⁰

$300 OFF

Plush Comfort, best for

Side Sleepers
Pain;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Tempur-Pedic TEMPUR-Adapt 1.0 11" Medium Hybrid Mattress

519

Starting at

$1400⁷⁷

$1999⁰⁰

$599 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Temperature;Pain;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Purple Restore Cool Touch 11.5" Hybrid Mattress

507

Starting at

$1999⁰⁰

$2299⁰⁰

$300 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Pain
Bed Partner

$300 ^◇ adjustable base instant gift with purchase.

Tulo 12" Plush Cooling Hybrid Mattress

139

Starting at

$900⁹⁹

Plush Comfort, best for

Side Sleepers
Pain;Temperature;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 Greenwood 11.5" Medium Firm Mattress

2866

Starting at

$407⁹⁹

$900⁹⁹

$493 OFF

Medium Comfort, best for

Side;Back;Stomach Sleepers
Bed Partner;Toss and Turn;Temperature;Pain
Toss and Turn
Temperature

Beautyrest BR800 11.5" Medium Firm Mattress

2613

Starting at

$960⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Twin Xl 11 5 Inch Mattresses

When searching for the right sleep solution for compact spaces or growing teens, the mattress firm twin XL size stands out as an ideal choice. Measuring longer than a standard twin but maintaining a slim width, twin XL mattresses are especially popular in college dorms, shared bedrooms, and guest suites where every inch counts. The added length provides extra legroom, making it a smart pick for taller sleepers who need more stretch-out space but don’t want to sacrifice floor area. During the summer months, as students prepare for the transition to college life or families revamp guest rooms for visiting relatives, demand for mattress firm twin XL options often surges. The 11.5-inch profile strikes a sweet spot between plush comfort and supportive structure, offering a balanced sleep surface that helps minimize pressure points and promote restful nights. Whether you’re outfitting a teenager’s room, setting up a summer rental, or looking for a thoughtful graduation gift, an 11.5-inch twin XL mattress delivers the comfort and durability that can make any space feel like home.

Selecting the right mattress involves weighing several factors, from sleep position to room size and intended use. Many shoppers appreciate the versatility of 5 inch mattresses for bunk beds or trundle setups, but an 11.5-inch mattress offers enhanced cushioning and motion isolation, making it a great upgrade for daily use. Consider the needs of the person who will be sleeping on the mattress: a college-bound student might benefit from a mattress that combines cooling technology and edge support for those long study sessions and restful nights, while a guest room mattress should balance universal comfort with easy maintenance. The twin XL size is also a favorite for split king adjustable bases, allowing couples to customize their side of the bed without compromise. During June, as daylight lingers and routines shift, the right mattress can help maintain a healthy sleep schedule, ensuring everyone wakes refreshed and ready for summer adventures. For those comparing options or seeking a slightly different profile, explore our curated selection of 10 5 Inch Twin Xl Mattresses to find the perfect fit for your unique needs.

A mattress firm twin XL is more than just a place to sleep—it’s a foundation for daily rejuvenation, late-night conversations, and cherished memories. Imagine a young adult returning home for summer break, greeted by a bed that feels just right, or a guest room that welcomes friends and family with hotel-level comfort. The 11.5-inch thickness provides ample support for all body types, while the twin XL dimensions make it easy to move and fit into tight stairwells or elevator spaces, a practical consideration for apartment dwellers and students alike. With the right bedding and accessories, a twin XL mattress can transform any nook into a restful retreat. As you browse, consider the individual’s sleep preferences, room layout, and long-term plans—whether furnishing a starter apartment, upgrading a child’s bed, or preparing for seasonal visitors, a well-chosen mattress is an investment in comfort, health, and peace of mind.