rigsize

Keystone Cougar 22MLS mattress size

Years 2021–2027Sold as Cougar Half-TonLength 26 ft 5 inSleeps 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 →

Keystone spec page, 2027.

Mattresses in 70 × 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

$1,865RV 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
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

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

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$1,065RV King - 70x80 · 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

$1,532RV King - 70x80 · list priceSee price
Custom size
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

Made to 70 × 80 inGet a quote
Bedroom in a Cougar

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

Bed sizes by year

YearMain bedBunksOther bedsSource
202170 × 80 in King––recreationalvehicles.info
202270 × 80 in King––Dealer report
202370 × 80 in King––Dealer report
202670 × 80 in King––Dealer report
202770 × 80 in King––Keystone spec page

Years not listed weren't published.

The 22MLS floorplan

Keystone Cougar 22MLS floorplan, 2027

Keystone's 2027 22MLS floorplan.

Is this your 22MLS?

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

YearModelLengthSleeps
2021Cougar Half-Ton 22MLS26 ft 10 in4
2022Cougar Half-Ton 22MLS26 ft 10 in4
2023Cougar Half-Ton 22MLS26 ft 10 in4
2024Cougar Half-Ton 22MLS26 ft 10 in4
2025Cougar Half-Ton 22MLS26 ft 10 in4
2026Cougar Half-Ton 22MLS26 ft 10 in4
2027Cougar Half-Ton 22MLS26 ft 5 in4

Other Cougar mattress sizes

Sources

  1. Keystone (keystonerv.com): https://www.keystonerv.com/product/cougar-half-ton/luxury-travel-trailers/floorplans/22MLS

Questions

What size mattress is in the Keystone Cougar 22MLS?

The main bed is 70 × 80 in (Keystone spec page, 2027).