Custom size
- Hybrid
- 8 in thick
- cushion-firm
Sleep Foundation: Best Mattress for Pressure Relief Read review
Made to 72 × 74 inGet a quote
That's an RV short king. Few brands stock 72 × 74 in, so order a custom size.
About the RV short king size →Keystone spec sheet, 2020.
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Sleep Foundation: Best Mattress for Pressure Relief Read review
Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.
Sleep Foundation: Best Mattress for Pressure Relief Read review

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

Keystone's 2020 324CG floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2016 | Outback 324CG | 36' 10" | – |
| 2017 | Outback 324CG | 36' 10" | – |
| 2018 | Outback 324CG | 37' 4" | – |
| 2019 | Outback 324CG | 37' 4" | – |
| 2020 | Outback 324CG | 37' 1" | – |
The main bed is 72 × 74 in (Keystone spec sheet, 2020).
28 × 74 in / 34 × 74 in (Keystone spec sheet, 2020).