- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
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 →Jayco floorplan drawing, 2023.
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Sleep Foundation: Best Mattress Overall Read review
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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 Embark bedroom. Measure the platform, not the old mattress, before you buy.

Jayco's 2023 39BH floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2019 | Embark 39BH | 39' 11" | – |
| 2020 | Embark 39BH | 39' 11" | – |
| 2021 | Embark 39BH | 39' 11" | – |
| 2022 | Embark 39BH | 39' 11" | 7 |
| 2023 | Embark 39BH | 39' 11" | 7 |
The main bed is 70 × 80 in (Jayco floorplan drawing, 2023).
28 × 72 in (Jayco floorplan drawing, 2023).