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Best Mattress For Side Sleepers With Back Pain 2023
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Shop King Size Puffy Mattresses

King Mattress Size Guide

A king size mattress is 76 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
Split King 76" X 80" 193 X 203

Why Buy A King Size Mattress?

King size beds are a luxurious option for couples and spacious master bedrooms.
An ideal family bed

An ideal family bed

For families with children or pets, it’s wise to size up so snuggle time stays comfy.
Easy movement

Easy movement

Sleepers who move in their sleep benefit from the spacious king-sized mattress.
Great for couples

Great for couples

A roomy king size mattress works great for couples who need space in their sleep.

Puffy King Size Memory Foam Mattress

The naturally body-contouring properties of an all-foam mattress relieves pressure points and keeps you comfy all night.
The Original

Puffy Mattress

Our award-winning all-foam mattress is the original Puffy model and has been ranked one of the most comfortable mattresses in America. Featuring five comfort layers that have specialized temperature regulation and cooling properties, experience true cloudlike sleep.

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Puffy Mattress King Size

Puffy King Size Hybrid Mattresses

The king size hybrid mattresses bring together the plush comfort of foam mattresses with the structured support of coils. Choose between two luxurious options for better sleep.
Puffy Lux Mattress King Size

Puffy Lux Mattress Hybrid

The Puffy Lux Hybrid is our best-selling model and has been ranked America’s most comfortable mattress. With six unique layers, the king-sized Puffy Lux Hybrid is a luxurious option that works for sleepers who like extra space when catching up on their sleep.

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Puffy Royal Mattress King Size

Puffy Royal Mattress Hybrid

Our premium model, the Puffy Royal Hybrid, is our softest mattress. 7 cooling layers ensure you get a consistently comfortable sleep, with unique zoned support technology that prevents strain on your pressure points. The king-sized Royal Hybrid is ideal for sleepers who share their beds.

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Feels Like Sleeping on a Cloud

Puffy mattresses have been designed for your best night’s sleep. For cloudlike comfort that you’ll notice as soon as you lie down, here’s what makes our mattresses so special:

Climate Comfort™

Climate Comfort™

Cooling Cloud™

Cooling Cloud™

Why Puffy is America’s Mattress

Every part of the Puffy mattress is proudly designed and manufactured in the USA. We believe nothing beats American innovation, and we’re proud to design and manufacture our mattresses where we first conceived of Puffy.

The Puffy mattress has been crafted to deliver the perfect balance of comfort, cooling, and pressure relief. That’s why we’ve been ranked the best mattress in America.

6 (More) Reasons to Choose a Puffy King 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.

FAQ

  • What size is a king mattress?

    A king size mattress is 76 inches in width by 80 inches in length.

  • What is the difference between a king size mattress and a California king size?

    A standard king size mattress is more square in shape, while a California king looks more rectangular. California king mattresses are smaller in width but larger in length than king size mattresses, coming in at 72 inches wide and 84 inches long. King mattresses, in comparison, are 76 inches wide and 80 inches long.

  • Which is the best king size mattress?

    For a king size mattress that’s going to give you a comfortable yet supportive night’s sleep, the Puffy Lux Hybrid provides a versatile night of sleep ideal for those who struggle with chronic back pain. If full-body support and advanced cooling features are what you’re after, the Puffy Royal Hybrid is perfect. Finally, for an all-foam king-size mattress option, the Puffy Mattress features five award-winning layers that are guaranteed to leave you sleeping better.

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