Top pick
RVMattress.comSignature Hybrid
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
$1,465Queen · list priceSee price
Keystone Cougar 290RLS mattress size
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 page, 2027.
Mattresses in 60 × 80 in
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Best value
Mattress InsiderThe Sedona
- All-foam
- 5.5 in thick
- Firm
$36160" x 80" · list priceSee price
Reviewers' favorite
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 InsiderElation Gel Foam
- Memory foam
- 6 in thick
- cushion firm
$45960" x 80" · list priceSee price
Best hybrid
RVMattress.comCopperFlex RV Hybrid
- Hybrid
- 10 in thick
- Medium-Firm
$799Queen · list priceSee price
Best all-foam
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 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
The Cougar bedroom. Measure the platform, not the old mattress, before you buy.
Bed sizes by year
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2022 | 60 × 80 in Queen | – | – | Dealer report |
| 2027 | 60 × 80 in Queen | – | – | Keystone spec page |
Years not listed weren't published.
The 290RLS floorplan
Keystone's 2027 290RLS floorplan.
Is this your 290RLS?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2021 | Cougar 290RLS | 33 ft 9 in | 6 |
| 2022 | Cougar 290RLS | 33 ft 9 in | 6 |
| 2023 | Cougar 290RLS | 33 ft 8 in | 6 |
| 2024 | Cougar 290RLS | 33 ft 8 in | 6 |
| 2025 | Cougar 290RLS | 33 ft 8 in | 6 |
| 2026 | Cougar 290RLS | 33 ft 8 in | 6 |
| 2027 | Cougar 290RLS | 33 ft 8 in | 6 |
Other Cougar mattress sizes
Sources
- Keystone (keystonerv.com): https://www.keystonerv.com/product/cougar/premium-fifth-wheels/floorplans/290RLS
Questions
What size mattress is in the Keystone Cougar 290RLS?
The main bed is 60 × 80 in (Keystone spec page, 2027).