How big is a twin XL size mattress?

A twin XL size mattress is 38 inches in width by 80 inches in length.

What is the difference between a twin size mattress and a twin XL size?

Though both twin and twin XL mattresses have identical widths, a twin XL is a whole five inches longer. While twin XL mattresses are 38 inches in width and 80 inches in length, a standard twin size mattress is 38 inches in width and just 75 inches long.

Which is the best twin XL size mattress?

Sleepers who are looking for a versatile twin XL size mattress for both temperature regulation and steady support can’t go wrong with the best-selling Puffy Lux Hybrid. The combination of plush foam with sturdy coils makes this the ideal choice for sleepers with back pain or chronic aches. For sleepers who prefer an ultra-plush feel, the Puffy Royal Hybrid is an ideal choice. If an all-foam mattress with a medium-firm feel is what you’re after, the award-winning Puffy Mattress is also ideal.

The Most Comfortable Twin XL Size Mattress

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Twin XL Mattress Size Guide

A twin XL size mattress is 38 inches wide and 80 inches long.

Mattress Sizes And Dimensions Chart

Find the dimensions of all standard US mattress sizes below.

Mattress Size	Dimensions in Inches	Dimensions in Centimeters
Twin	38” x 75”	96.5 x 190.5
Twin XL	38” x 80”	96.5 X 203
Full	54" X 75"	137 X 190.5
Queen	60" X 80"	152 X 203
King	76" X 80"	193 X 203
California King	72" X 84"	183 X 213
Split King	76" X 80"	193 X 203

Why Buy A Twin XL Size Mattress?

Twin XL size beds are ideal for tall sleepers, or smaller spaces such as studio apartments.

Great for tall sleepers

For sleepers who need a little extra legroom, the long dimensions of a twin XL mattress are ideal.

Compact & comfy

For small spaces, studio apartments, or college dorm rooms, twin XL beds are a practical yet cozy choice.

Adaptable for couples

Join two twin XL mattresses together for a king size bed that works perfectly with a split base.

Puffy Twin XL Size Memory Foam Mattress

An all-foam choice that ensures relief to pressure points and keeps you comfortable all night.

The Original

Puffy Mattress

Puffy’s original all-foam mattress was rated America’s most comfortable. Featuring premium contouring foam and added temperature regulation, you can expect true cloudlike comfort.

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Puffy Twin XL Size Hybrid Mattresses

Our hybrid mattresses come in two luxurious options and combine the best of plush memory foam with the structured support of spring.

Puffy Lux Mattress Hybrid

The Puffy Lux Hybrid is our best-selling model and is a consistent winner of best mattress awards. A twin XL size is an ideal option for sleepers who deal with a chronic body ache or back pain but still require a smaller-sized mattress. With six specialized layers and a medium-plush feel, upgrade your sleep instantly.

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Puffy Royal Mattress Hybrid

With seven distinct layers and full-body zoned support, the Puffy Royal Hybrid is our softest premium model. The top layer is infused with cooling gel, which ensures you have consistent temperature regulation all night. The zoned support feature offsets your pressure points, ensuring a cozy night’s sleep.

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Feels Like Sleeping on a Cloud

Every Puffy Mattress has been designed with cloudlike comfort in mind. That’s why our distinct, plush feel is the first thing you’ll notice once you order your Puffy twin XL. Here’s a closer look at what makes us so unique:

Climate Comfort™

Specially formulated Climate Comfort™ Foam is designed for minimal temperature fluctuation, keeping sleep consistently cool. A 2” layer of humidity-resistant foam keeps your mattress from getting stuffy, even as your core body temperature rises.

Cooling Cloud™

The Cooling Cloud™ Foam layer is a gel-infused foam that maximizes air circulation, dispersing heat from the body. It is also designed to cradle muscles and joints, for comfort in every sleeping position.

Why Puffy is America’s Mattress

We’re proud to produce Puffy in the USA. We understand nothing beats American innovation, which is why we’re passionate about manufacturing our mattresses right here, in the USA.

We’ve developed a mattress that develops the perfect balance of cooling and support when making the Puffy. Ranked America’s most comfortable mattress, your best night’s sleep is just a click away.

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6 (More) Reasons to Choose a Puffy Twin XL Size Mattress

Sleep tight. 101 nights. Risk-free.

Test your Puffy risk-free with our 101-night sleep trial.

Financing.

Mattress financing options as low as 0% APR with Klarna.

Warranty. For life.

Sleep soundly knowing every Puffy mattress comes with a lifetime warranty.

Free shipping. Free returns. Always.

Great sleep should be easy. We take care of the shipping. And returns. Hassle-free.

Setup simplified.

We make setup easy. Just remove the box, unroll your mattress, and let it expand.

Made in USA.

Every Puffy mattress is designed and manufactured in the USA.

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Why Customers Love Puffy Twin XL Size Mattresses

Verified Review

Puffy is amazing for our family

Our purchase was for a twin XL and king Puffy Mattress. We also bought the foundations which worked out perfectly. We love how this bed gives us that cozy comfortable feeling when we are sleeping.

- Sherry V.

Verified Review

Split King adjustable base with twin XL Puffy

Positively the best purchase we have ever made in bedding. Waking up feeling extremely rested and sleeping better than ever.

- Tim H.

Verified Review

Perfect bed for our adjustable foundation.

We are very pleased with these beds. My husband purchased two twin XL Puffy mattresses for our new zero gravity adjustable bed foundation.

- Dawson L.

FAQ

How big is a twin XL size mattress?

A twin XL size mattress is 38 inches in width by 80 inches in length.
What is the difference between a twin size mattress and a twin XL size?

Though both twin and twin XL mattresses have identical widths, a twin XL is a whole five inches longer. While twin XL mattresses are 38 inches in width and 80 inches in length, a standard twin size mattress is 38 inches in width and just 75 inches long.
Which is the best twin XL size mattress?

Sleepers who are looking for a versatile twin XL size mattress for both temperature regulation and steady support can’t go wrong with the best-selling Puffy Lux Hybrid. The combination of plush foam with sturdy coils makes this the ideal choice for sleepers with back pain or chronic aches. For sleepers who prefer an ultra-plush feel, the Puffy Royal Hybrid is an ideal choice. If an all-foam mattress with a medium-firm feel is what you’re after, the award-winning Puffy Mattress is also ideal.