Keystone Outback 291BH mattress size
Years 2025Sold as Outback
Bunk mattresses in 48 × 74 in
Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.

RVMattress.comSignature Hybrid
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
$1,332Short Full - 48x74 · list priceSee price
Best value

RVMattress.comCopperFlex Essential
- All-foam
- 6 in thick
- five comfort options

RVMattress.comAurora Luxe Cooling
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress for Temperature Regulation Read review
$1,799Short Full - 48x74 · list priceSee price

Mattress InsiderAdventure Max Hybrid
- Hybrid
- 10.5 in thick
- Firm / Medium
The 291BH floorplan

Keystone's 2025 291BH floorplan.
Is this your 291BH?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
| 2025 | Outback 291BH | – | – |
Other Outback mattress sizes
Questions
What size are the Keystone Outback 291BH bunk mattresses?
48 × 74 in (Keystone spec sheet, 2025).