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Shop Twin XL Size Puffy Mattresses

Twin XL Mattress Size Guide

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

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

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

Great for tall sleepers

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

Compact & comfy

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

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 cloud-like comfort.

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Puffy Mattress Twin XL Size

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 Twin XL Size

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 Twin XL Size

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 cloud-like 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™

Climate Comfort™

Cooling Cloud™

Cooling Cloud™

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.

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

101-Night Sleep Trial

Trial any Puffy product for 101 nights. If you’re not in love, get a full refund.


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Lifetime Warranty

We protect your purchase with a risk-free lifetime warranty.

Fast & Free Delivery

Place your order and we’ll deliver it directly to your doorstep within 2 - 5 business days.

Easy Setup

There’s no hassle involved. Just remove the box, unroll, and let the mattress expand.

It’s America’s Mattress

Every part of the Puffy mattress is made with care and pride in the USA.


  • 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.

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