rigsize

Keystone Outback 335CG mattress size

Years 2018–2024Sold as OutbackLength 37' 0"
60 in 80 in
To scale. Dashed: a regular queen.
Main bed60 × 80 inQueen

That's the same size as a regular queen, so any standard queen mattress fits.

About the RV queen size →

Keystone spec sheet, 2024.

Mattresses in 60 × 80 in

We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.

Top pick
RVMattress.com Signature Hybrid

RVMattress.comSignature Hybrid

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress Overall Read review

$1,465Queen · list priceSee price
Best value
Mattress Insider The Sedona

Mattress InsiderThe Sedona

  • All-foam
  • 5.5 in thick
  • Firm
$36160" x 80" · list priceSee price
Reviewers' favorite
RVMattress.com Aurora Luxe Cooling

RVMattress.comAurora Luxe Cooling

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress for Temperature Regulation Read review

$1,999Queen · list priceSee price
Best memory foam
Mattress Insider Elation Gel Foam

Mattress InsiderElation Gel Foam

  • Memory foam
  • 6 in thick
  • cushion firm
$45960" x 80" · list priceSee price
Best hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$799Queen · list priceSee price
Best all-foam
RVMattress.com Plank Firm

RVMattress.comPlank Firm

  • All-foam
  • 10 in thick
  • Firm / Extra Firm

Mattress Clarity: Best RV Mattress for Heavy People Read review

$1,332Queen · list priceSee price
Reviewer pick

HelixHelix Midnight

  • Hybrid
  • 11.5 in thick
  • Medium Feel

Sleep Foundation: Best Mattress for Side Sleepers Read review

$1,183Queen · list priceSee price
Reviewer pick
Mattress Insider Park Meadow Encased Coil II

Mattress InsiderPark Meadow Encased Coil II

  • Hybrid
  • 8 in thick
  • cushion-firm

Sleep Foundation: Best Mattress for Pressure Relief Read review

$66960" x 80" · list priceSee price
Bedroom in a Outback

The Outback bedroom. Measure the platform, not the old mattress, before you buy.

Bed sizes by year

YearMain bedBunksOther bedsSource
201960 × 80 in––Keystone spec sheet
202060 × 80 in––Keystone spec sheet
202160 × 80 in––Keystone 2021 brochure
202160 × 80 in––Keystone spec sheet
202360 × 80 in Queen––Keystone spec sheet
202460 × 80 in Queen––Keystone spec sheet

Years not listed weren't published.

The 335CG floorplan

Keystone Outback 335CG floorplan, 2024

Keystone's 2024 335CG floorplan.

Is this your 335CG?

Check the year and length against your RV before you order.

YearModelLengthSleeps
2018Outback 335CG37'–
2019Outback 335CG37'–
2020Outback 335CG37'–
2021Outback 335CG37'–
2022Outback 335CG37'–
2023Outback 335CG37' 0"–
2024Outback 335CG37' 0"–

Other Outback mattress sizes

Sources

  1. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/58a1b01e-656a-4567-9a32-bdae029e85cd_outback_brochure_2018.pdf
  2. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/b8a18a01-2c54-4a56-bd2b-4761714ee21a_outback_brochure-2019.pdf
  3. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/17b39f17-097b-4e77-b4ea-d23c32be4156_outback_brochure-2020.pdf
  4. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/56db7c20-4e43-4043-a2aa-36d678509423_Outback_16pg_Brochure_Dec20_WEB.pdf
  5. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/b19b4f63-7472-4d49-8b20-2537900d1c71_OB_8_5x11_Hershey_Brochure_Aug21_WEB.pdf
  6. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/2b65d7aa-f374-4b2b-8a17-f1e70024f9ff_KRV_230224_OB_Brochure_8.5x11.pdf
  7. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/43149e11-d2dd-454e-9b53-fd7339bc4ebb_KRV_2310_Outback_Brochure_8.5x11_WEB.pdf

Questions

What size mattress is in the Keystone Outback 335CG?

The main bed is 60 × 80 in (Keystone spec sheet, 2024).