- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
That's an RV king, 4 in narrower than a regular king (76 × 80 in). A regular king won't fit, so get an RV king in exactly 72 × 80 in.
About the RV king size →CrossRoads spec sheet, 2016.
We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.
Sleep Foundation: Best Mattress Overall Read review
Sleep Foundation: Best Mattress for Temperature Regulation Read review
Mattress Clarity: Best RV Mattress for Heavy People Read review
Sleep Foundation: Best Mattress for Side Sleepers Read review
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

CrossRoads's 2016 380MB floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2016 | Hampton 380MB | 43' 0" | – |
The main bed is 72 × 80 in (CrossRoads spec sheet, 2016).
28 × 74 in (CrossRoads spec sheet, 2016).