rigsize

KZ Sportster 315TH mattress size

Years 2013–2016Sold as Sportsmen SportsterLength 35' 2"
60 in 75 in
To scale. Dashed: a regular queen.
Main bed60 × 75 inRV short queen

That's an RV short queen, 5 in shorter than a regular queen. A regular queen would hang off the end, so get an RV short queen.

About the RV short queen size →

KZ spec sheet, 2016.

Bunks60 × 85 in / 44 × 59 in Bunk. KZ spec sheet, 2016. Common RV bunk sizes →

Mattresses in 60 × 75 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

$1,332Short Queen - 60x74 · 1 in shorter than your platformSee price
Best value
RVMattress.com CopperFlex Essential

RVMattress.comCopperFlex Essential

  • All-foam
  • 6 in thick
  • five comfort options
$524Short Queen - 60x74 · 1 in shorter than your platformSee price
Firm
RVMattress.com Plank Firm Luxe

RVMattress.comPlank Firm Luxe

  • Hybrid
  • 13 in thick
  • Firm / Extra Firm
$1,598Short Queen - 60x74 · 1 in shorter than your platformSee 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

$1,865Short Queen - 60x74 · 1 in shorter than your platformSee price
Heavy duty
Brooklyn Bedding Titan Plus Luxe

Brooklyn BeddingTitan Plus Luxe

  • Hybrid
  • 13 in thick
  • Plush
$1,665Short Queen - 60x75 · list priceSee price
Helix pick
Helix Helix Midnight

HelixHelix Midnight

  • Hybrid
  • 11.5 in thick
  • Medium Feel

Sleep Foundation: Best Mattress for Side Sleepers Read review

$1,183Short Queen (60 × 74) · 1 in shorter than your platformSee price
Natural latex
PlushBeds Eco Green Organic Latex

PlushBedsEco Green Organic Latex

  • Latex
  • 8 in thick
$1,175Queen Short · list priceSee price
RV hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$799Short Queen - 60x74 · 1 in shorter than your platformSee price

Bunk mattresses in 60 × 85 in / 44 × 59 in

Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.

Custom size
Mattress Insider Luxury Gel Memory Foam

Mattress InsiderLuxury Gel Memory Foam

  • Memory foam
  • 8 in thick
  • not stated
Made to 60 × 85 inGet a quote
Bedroom in a Sportster

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

The 315TH floorplan

KZ Sportster 315TH floorplan, 2016

KZ's 2016 315TH floorplan.

Is this your 315TH?

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

YearModelLengthSleeps
2013Sportsmen Sportster 315TH35' 2"–
2014Sportsmen Sportster 315TH35' 2"–
2015Sportsmen Sportster 315TH35' 2"–
2016Sportsmen Sportster 315TH35' 2"–

Other Sportster mattress sizes

Sources

  1. KZ (kz-rv.com): https://www.kz-rv.com/brochures/2013/KZ13_SportsmenSportster_Brochure.pdf
  2. KZ (kz-rv.com): https://www.kz-rv.com/brochures/2014/KZ14_SpSportster_Brochure.pdf
  3. KZ (kz-rv.com): https://www.kz-rv.com/brochures/2015/KZ15_SportsmenSportster_Bro.pdf
  4. KZ (kz-rv.com): https://www.kz-rv.com/2016-products/sportsmen-sportster-travel-trailer-and-fifth-wheel-toy-haulers/2016-fifth-wheel-toy-hauler-315TH.html

Questions

What size mattress is in the KZ Sportster 315TH?

The main bed is 60 × 75 in (KZ spec sheet, 2016).

Will a regular queen mattress fit the KZ Sportster 315TH?

No. The platform is 60 × 75 in, an RV short queen. A home queen is 60 × 80 in and hangs off the end.

What size are the KZ Sportster 315TH bunk mattresses?

60 × 85 in / 44 × 59 in (KZ spec sheet, 2016).