rigsize

Keystone Fuzion 428 mattress size

Years 2021–2026Sold as FuzionLength 44 ft 11 inSleeps 9
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 →

Dealer report, 2022. A reported size, not a guarantee: measure your platform first.

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 Fuzion

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

Bed sizes by year

YearMain bedBunksOther bedsSource
202160 × 80 in Queen––Dealer report
202260 × 80 in Queen––Dealer report

Years not listed weren't published.

The 428 floorplan

Keystone Fuzion 428 floorplan, 2024

Keystone's 2024 428 floorplan.

Is this your 428?

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

YearModelLengthSleeps
2021Fuzion 42844 ft 11 in9
2022Fuzion 42844 ft 11 in9
2023Fuzion 42844 ft 11 in9
2024Fuzion 42844 ft 11 in9
2025Fuzion 42844 ft 11 in9
2026Fuzion 42844 ft 11 in9

Other Fuzion mattress sizes

Sources

  1. Keystone (keystonerv.com): https://www.keystonerv.com/product/fuzion/toy-hauler-fifth-wheels/floorplans/428

Questions

What size mattress is in the Keystone Fuzion 428?

The main bed is 60 × 80 in (Dealer report, 2022).