Thor Four Winds 19X mattress size
Years 2026–2027Sold as Four WindsLength 21'-3"Sleeps 3
Bunk mattresses in 52 × 91 in
Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.

Mattress InsiderPark Meadow Encased Coil II
- Hybrid
- 8 in thick
- cushion-firm
Sleep Foundation: Best Mattress for Pressure Relief Read review
The 19X floorplan

Thor's 2027 19X floorplan.
Is this your 19X?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
| 2026 | Four Winds 19X | – | – |
| 2027 | Four Winds 19X | 21'-3" | 3 |
Other Four Winds mattress sizes
Questions
What size are the Thor Four Winds 19X bunk mattresses?
52 × 91 in (Thor spec sheet, 2026).