Top pick
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
$1,465Queen · list priceSee price
That's the same size as a regular queen, so any standard queen mattress fits.
About the RV queen size →Keystone spec sheet, 2024.
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The Outback bedroom. Measure the platform, not the old mattress, before you buy.

Keystone's 2024 296URK floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2024 | Outback Ultra-Lite 296URK | 33' 11" | – |
The main bed is 60 × 80 in (Keystone spec sheet, 2024).