- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
That's an RV king, 4 in narrower than a regular king (76 × 80 in). A regular king won't fit, so get an RV king in exactly 72 × 80 in.
About the RV king size →Winnebago floorplan drawing, 2024.
We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.
Sleep Foundation: Best Mattress Overall Read review
Mattress Clarity: Best RV Mattress for Heavy People Read review
Sleep Foundation: Best Mattress for Temperature Regulation Read review
Sleep Foundation: Best Mattress for Side Sleepers Read review

The Forza bedroom. Measure the platform, not the old mattress, before you buy.
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2014 | 60 × 80 in Queen | – | – | Winnebago spec sheet |
| 2016 | 60 × 80 in Queen | – | – | Winnebago spec sheet |
| 2017 | 60 × 80 in Queen | – | – | Winnebago spec sheet |
| 2019 | 60 × 80 in Queen | – | – | Winnebago spec sheet |
| 2020 | 60 × 80 in Queen | – | Loft 48 × 80 in | Winnebago 2020 Forza brochure |
| 2021 | 60 × 80 in Queen | – | Loft 48 × 80 in | Winnebago 2021 Forza brochure |
| 2022 | 60 × 80 in Queen | – | Loft 48 × 80 in | Winnebago 2021 Forza brochure |
| 2023 | 72 × 80 in King | – | Loft 48 × 80 in, Sofa 48 × 74 in | Winnebago floorplan drawing |
| 2024 | 72 × 80 in King | – | Loft 48 × 80 in, Sofa 48 × 74 in | Winnebago floorplan drawing |
Years not listed weren't published.

Winnebago's 2025 34T floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2014 | Forza 34T | – | – |
| 2015 | Forza 34T | 35'6" | – |
| 2016 | Forza 34T | 35'6" | – |
| 2017 | Forza 34T | 35'6" | – |
| 2018 | Forza 34T | 35'9" | – |
| 2019 | Forza 34T | 35'9" | – |
| 2020 | Forza 34T | 35'6" | 5 |
| 2021 | Forza 34T | 35'6" | 5 |
| 2022 | Forza 34T | 35'6" | 5 |
| 2023 | Forza 34T | 35'6" | 5 |
| 2024 | Forza 34T | 35'6" | 5 |
| 2025 | Forza 34T | 35'6" | 5 |
The main bed is 72 × 80 in (Winnebago floorplan drawing, 2024).