- 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 →Winnebago spec sheet, 2026.
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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 Access bedroom. Measure the platform, not the old mattress, before you buy.
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2025 | 60 × 80 in Queen | – | – | Winnebago Access specifications sheet |
| 2026 | 60 × 80 in Queen | 32 × 74 in | – | Winnebago spec sheet |
Years not listed weren't published.

Winnebago's 2026 15BH floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2025 | Access 15BH | 21'3" | 5 |
| 2026 | Access 15BH | 21 ft 3 in | 5 |
The main bed is 60 × 80 in (Winnebago spec sheet, 2026).
32 × 74 in (Winnebago spec sheet, 2026).