Spring Refresh: Save up to 25%
Spring Refresh: Save up to 25%
Spring Refresh: Save up to 25%

What Size Mattress Fits in a Fleetwood RV

What Size Mattress Fits in a Fleetwood RV?

Fleetwood has been building RVs for over 65 years and is a leader in innovative RV design. With updated styling and legendary Fleetwood quality, each Fleetwood RV model is perfect for relaxing. Spacious interiors and an easy-driving coach make it a breeze for travel. Each motorhome features superior handling, power, and deluxe living spaces. A quality mattress is key for a good night’s sleep anda Sleepdog® RV mattress will provide your Fleetwood RV with both comfort and support.

Frontier GTX

The Frontier GTX is a Class A-diesel motorhome and the newest addition to the Fleetwood line of RVs. The Frontier GTX model comes in two different floor plans which feature a Freightliner custom raised rail chassis, freedom sport foundation, Cummins 6.7L, 360HP engine and Allison 3000 series, and 6-speed transmission for a ride that’s always smooth.

Features of the Frontier GTX

  • Length: 37’ 11”
  • Width: 102”
  • Height: 12’ 10”

The Frontier GTX 37 RT floor plan is outfitted with a standard king size bed, while the 39TA floor plan comes with a short queen, or RV Queen, bed. The SleepDog® Original RV Mattress is the perfect mattress upgrade for the 39TA floor plan, with 11” of ideal memory foam support. Also available in the Sleepdog® mattresses for the 39TA floor plan is our Azul® RV mattress, which is constructed with 11” of medium-soft memory foam and an UltraCool® soft knit cover.

Pace Arrow

The Pace Arrow is a Class A-Diesel motorhome. While it may be a compact model, it is not short on luxury features. You can enjoy all the comforts of home while on the road. Some of the features that come standard with the Pace Arrow include, two LED TVs (a 32” and a 50”) power driver and passenger seats, a fully furnished residential kitchen, ultra leather upholstery & a recessed fireplace.

Features of the Pace Arrow

  • Length: 33’ 11”
  • Width: 102”
  • Height: 12’ 2”

The Pace Arrow 33D and 35 BP are outfitted with a short queen bed, or RV Queen size, while the 36U contains a standard queen size bed. If you are interested in the 33D or 35P, the Original RV mattress or the Azul RV Mattress are great options as they are both available in the shorter RV Queen size. For the 36U, both Sleepdog® mattress or the BigDawg Mattress™, in addition to the Original RV and Azul RV mattresses, are available in the standard Queen size. All four mattresses are designed to relieve pressure points in any sleep position and are constructed with SureAlign® support foam to minimize motion transfer, offering you a peaceful night’s sleep on every adventure.


The Flair is a Class A Motorhome with plenty of stylish features such as the Hide-A-Loft™ electric drop-down bed, 50” Exterior LED television, and a Ford engine & Ford chassis that will give you an incredible ride. The Flair may be a bit smaller than other Class A’s, but smaller can be better! Smaller motorhomes are easier to maneuver, they get better fuel mileage, and they will still provide you with plenty of space and comfort.

Features of the Flair

  • Length: 29’ 3”
  • Width: 100”
  • Height: 12’ 4”

All models of the Flair come equipped with a short king, or RV King size bed. The stock mattresses that come with the Flair may not be the most durable, so when it comes time to upgrade your RV mattress, a Sleepdog® Mattressesmay be the perfect choice. Our newest mattresses, the Original RV mattress and the Azul Mattress, mattresses, the Original RV Mattress and the Azul Mattress, are both available in the RV King, which measures 72” wide by 75” inches long, as are our classic SleepDog® and BigDawg mattress™ constructions. All four RV mattresses are also DOT approved, meaning they meet the Department of Transportation’s qualifications for an over-the-road mattress.


The Fleetwood Southwind is a spacious Class A motorhome that is considered the “King of the Road." This model gives you more than enough room to move around and enjoy your journey. The new 36GL floor plan features a master suite, open concept kitchen, and residential furniture by Apex custom furniture. After a long day on the road, there’s no better place to stretch out and relax than the Southwind.

Features of the Southwind

  • Length: 36’ 3”
  • Width: 102”
  • Height: 12’ 10”

Three of the four Southwind RV models, the 34C, 35K and 37F, are equipped with an RV king size bed. To enhance your sleep experience, we suggest upgrading your bed with an RV king size in any of our SleepDog® mattress models - the Original RV mattress, which offers classic memory foam comfort, the Azul RV Mattress, which offers advanced memory foam cooling, or our classic Sleepdog® 7” RV mattress or BigDawg 9” double-sided mattress.


This Class A motorhome gives you more space to enjoy your vacation. Aside from more space, the Flex also gives you more brawn and more luxury! The 34J model boasts an impressive exterior kitchen with a refrigerator, microwave, sink and storage. The Flex also gives you more sleeping options, including the Hide-A-Loft electric drop-down bed. With the Flex you can travel in style and have all the comforts of home with you.

Features of the Flex

  • Length: 33’
  • Width: 100”
  • Height: 12’ 4”

The Flex motorhome models are also outfitted with RV king size mattresses. If you are looking to refresh your sleep space, you can try any compatible SleepDog® RV king mattress risk-free for 120-nights, with free shipping and free returns if you are not happy with your new bed.


The Bounder is classified as a Class A motorhome. This model has been a popular choice among recreational vehicle owners for many years! Fleetwood has added some new features to the Bounder that make it stand out from its predecessors, such as, the new Adap-table® dinette with pop-up TV and Waterproof Tarkett® flooring. The bedroom offers a large wardrobe and lots of storage space making this motorhome an excellent choice for RV enthusiasts.

Features of the Bounder

  • Length: 34’ 3”
  • Width: 102”
  • Height: 12’ 10”

The Bounder offers four different floor plans, three of which come equipped with a RV king size bed, making all SleepDog® mattress models compatible with the newly updated 33C, 355 and 36F Bounder RV.


The Fortis is a Class A motorhome with a 350-horsepower engine and 8,000 lb. towing capacity. Fleetwood has incorporated all the latest technulogy and amenities in their 2023 Fortis including the Hide-A-Loft™ electric drop-down bed, a washer and dryer options on all floor plans, and an Exterior Entertainment Center with LED/TV.

Features of the Fortis

  • Length: 34’ 6”
  • Width: 100”
  • Height: 12’ 10”

The Fortis is available in four different floor plans, the 32RW, 33HB, 34MB and 36DB all outfitted with an RV King mattress, and the 36Y floor plan is complete with an RV Queen mattress. The RV King size measures 72 inches wide by 75 inches long, only 2 inches narrower and 5 inches shorter than a standard king size, and the RV Queen size comes in at 60 inches wide by 75 inches long. SleepDog® mattresses are specifically designed for RVs in these sizes, and provide a great sleeping sulution that can only help make your adventure more comfortable.

BigDawg Mattress™ Product Image
BigDawg Mattress™
Our best-selling mattress made with a 9” plush, multilayer memory foam & pillow-top construction.
Starting at $524.25 $699
Shop Now
SleepDog® Mattress Product Image
SleepDog® Mattress
7” multilayer memory foam construction infused with CoolRest® technology for maximum comfort & support.
Starting at $434.25 $579
Shop Now