Great all around
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
$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 2026 model-year brochure, 2026.
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The Reflection bedroom. Measure the platform, not the old mattress, before you buy.

Grand Design's 2027 250ML floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2026 | Reflection 150 Series 250ML | 29' 10" | 3 |
| 2027 | Reflection 150 Series 250ML | 28' 10" | 3 |
The main bed is 60 × 80 in (Grand Design 2026 model-year brochure, 2026).