- 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 →Grand Design spec sheet, 2027.
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Sleep Foundation: Best Mattress Overall Read review
Sleep Foundation: Best Mattress for Temperature Regulation Read review
Sleep Foundation: Best Mattress for Side Sleepers 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.

The Reflection bedroom. Measure the platform, not the old mattress, before you buy.
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2016 | – Queen (king optional) | – | – | Grand Design spec sheet |
| 2017 | – Queen | – | – | Grand Design spec sheet |
| 2020 | – Queen (king optional) | – | – | Grand Design spec sheet |
| 2021 | – Queen (king optional) | – | – | Grand Design spec sheet |
| 2022 | 60 × 80 in | – | Loft 64 × 88 in | Dealer report |
| 2022 | – Queen (king optional) | – | – | Grand Design spec sheet |
| 2023 | 60 × 80 in Queen (king optional) | 64 × 88 in | – | Grand Design spec sheet |
| 2024 | 60 × 80 in | – | Loft 64 × 88 in | Dealer report |
| 2024 | 60 × 80 in Queen (king optional) | 64 × 75 in | – | Grand Design spec sheet |
| 2025 | 60 × 80 in Queen (king optional) | 64 × 75 in | – | Grand Design spec sheet |
| 2026 | 60 × 80 in Queen | – | Loft 64 × 88 in | Grand Design 2026 model-year brochure |
| 2026 | 60 × 80 in Queen (king optional) | 64 × 75 in | – | Grand Design spec sheet |
| 2027 | 60 × 80 in Queen | 64 × 75 in | – | Grand Design spec page |
| 2027 | 60 × 80 in Queen (king optional) | 64 × 75 in | – | Grand Design spec sheet |
Years not listed weren't published.

Grand Design's 2027 367BHS floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2016 | Reflection 367BHS | 41' 0" | – |
| 2017 | Reflection 367BHS | 41' 0" | – |
| 2020 | Reflection 367BHS | 41' 0" | – |
| 2021 | Reflection 367BHS | 41' 0" | – |
| 2022 | Reflection 367BHS | 41' 0" | – |
| 2023 | Reflection 367BHS | 41' | 8 |
| 2024 | Reflection 367BHS | 41' 1" | 8 |
| 2025 | Reflection 367BHS | 41' 1" | 8 |
| 2026 | Reflection 367BHS | 42' 2" | 8 |
| 2027 | Reflection 367BHS | 41' 1" | 8 |
The main bed is 60 × 80 in (Grand Design spec sheet, 2027).
64 × 75 in (Grand Design spec sheet, 2027).