Great all around
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
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$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 →Grand Design spec sheet, 2021.
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The Momentum bedroom. Measure the platform, not the old mattress, before you buy.
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2017 | 60 × 80 in Queen | – | – | Grand Design spec sheet |
| 2019 | 60 × 80 in Queen | – | – | Grand Design spec sheet |
| 2020 | 60 × 80 in Queen | – | – | Grand Design spec sheet |
| 2021 | 60 × 80 in Queen | – | – | Grand Design spec sheet |
Years not listed weren't published.

Grand Design's 2021 395M floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2017 | Momentum 395M | 42' 4" | – |
| 2019 | Momentum 395M | 42' 4" | – |
| 2020 | Momentum 395M | 42' 4" | – |
| 2021 | Momentum 395M | 41' 11" | – |
The main bed is 60 × 80 in (Grand Design spec sheet, 2021).