Custom size
- Hybrid
- 8 in thick
- cushion-firm
Sleep Foundation: Best Mattress for Pressure Relief Read review
Made to 72 × 76 inGet a quote
That isn't a standard mattress size, so order a custom size cut to your platform.
Thor spec sheet, 2026.
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 for Pressure Relief 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.
Sleep Foundation: Best Mattress for Pressure Relief Read review
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2025 | 72 × 76 in King | 52 × 80 in, 26 × 72 in | – | Thor spec sheet |
| 2026 | 72 × 76 in King | 52 × 80 in, 26 × 72 in | – | Thor spec sheet |
Years not listed weren't published.

Thor's 2027 R36 floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2025 | Omni Trail R36 | 37'-2" | – |
| 2026 | Omni Trail R36 | 37'-2" | – |
| 2027 | Omni R36 | 37'-2" | 6 |
The main bed is 72 × 76 in (Thor spec sheet, 2026).
52 × 80 in / 26 × 72 in (Thor spec sheet, 2026).