rigsize

KZ Durango D302RLT mattress size

Years 2025–2027Sold as DurangoLength 35' 2"Sleeps 4
70 in 80 in
To scale. Dashed: a regular queen.
Main bed70 × 80 inRV king

That's an RV king, 6 in narrower than a regular king (76 × 80 in). A regular king won't fit, so get an RV king in exactly 70 × 80 in.

About the RV king size →

KZ spec sheet, 2027.

Mattresses in 70 × 80 in

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Great all around
RVMattress.com Signature Hybrid

RVMattress.comSignature Hybrid

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

Sleep Foundation: Best Mattress Overall Read review

$1,865RV King - 70x80 · list priceSee price
Best value
RVMattress.com CopperFlex Essential

RVMattress.comCopperFlex Essential

  • All-foam
  • 6 in thick
  • five comfort options
$799RV King - 70x80 · list priceSee price
Firm
RVMattress.com Plank Firm Luxe

RVMattress.comPlank Firm Luxe

  • Hybrid
  • 13 in thick
  • Firm / Extra Firm
$1,865RV King - 70x80 · list priceSee price
Cooling
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

$2,465RV King - 70x80 · list priceSee price
RV hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$1,065RV King - 70x80 · list priceSee price
Custom size
Mattress Insider Luxury Gel Memory Foam

Mattress InsiderLuxury Gel Memory Foam

  • Memory foam
  • 8 in thick
  • not stated
Made to 70 × 80 inGet a quote
Bedroom in a Durango

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

Bed sizes by year

YearMain bedBunksOther bedsSource
202670 × 80 in King––KZ spec sheet
202770 × 80 in King––KZ spec sheet

Years not listed weren't published.

The D302RLT floorplan

KZ Durango D302RLT floorplan, 2027

KZ's 2027 D302RLT floorplan.

Is this your D302RLT?

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

YearModelLengthSleeps
2025Durango D302RLT35' 2"–
2026Durango D302RLT35' 2"–
2027Durango D302RLT35' 2"4

Other Durango mattress sizes

Sources

  1. KZ (kz-rv.com): https://www.kz-rv.com/2025-products/durango-fifth-wheels/D302RLT.html
  2. KZ (kz-rv.com): https://www.kz-rv.com/2026-products/durango-fifth-wheels/D302RLT.html
  3. KZ (kz-rv.com): https://www.kz-rv.com/products/durango-fifth-wheels/D302RLT.html

Questions

What size mattress is in the KZ Durango D302RLT?

The main bed is 70 × 80 in (KZ spec sheet, 2027).