- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
That's the same size as a regular queen, so any standard queen mattress fits.
About the RV queen size →Coachmen spec sheet, 2022.
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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
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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 Northern Spirit bedroom. Measure the platform, not the old mattress, before you buy.
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2019 | 60 × 80 in Queen | 42 × 74 in | – | Coachmen spec sheet |
| 2020 | 60 × 80 in Queen | 30 × 74 in, 42 × 74 in | – | Coachmen spec sheet |
| 2021 | 60 × 80 in Queen | 30 × 74 in, 42 × 74 in | – | Coachmen spec sheet |
| 2022 | 60 × 80 in Queen | 30 × 74 in, 42 × 74 in | – | Coachmen spec sheet |
Years not listed weren't published.

Coachmen's 2022 3379BH floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2019 | Northern Spirit Ultra Lite 3379BH | 36' 11" | – |
| 2020 | Northern Spirit Ultra Lite 3379BH | 36' 11" | – |
| 2021 | Northern Spirit Ultra Lite 3379BH | 36' 11" | – |
| 2022 | Northern Spirit Ultra Lite 3379BH | 37' 0" | – |
| 2023 | Northern Spirit 3379BH | 37' 0" | – |
| 2024 | Northern Spirit 3379BH | 37' 0" | – |
The main bed is 60 × 80 in (Coachmen spec sheet, 2022).
30 × 74 in / 42 × 74 in (Coachmen spec sheet, 2022).