Great all around
RVMattress.comSignature Hybrid
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
$959Twin (38 × 74) · 1 in shorter than your platformSee price
Thor Chateau 25Z mattress size
Main bed38 × 75 inCustom size
RV mattress sellers stock this exact size, or order a custom size cut to your platform.
Thor spec sheet, 2026.
Bunks52 × 96 in
Bunk. Thor spec sheet, 2026.
Common RV bunk sizes →
Mattresses in 38 × 75 in
We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.
Best value
RVMattress.comCopperFlex Essential
- All-foam
- 6 in thick
- five comfort options
$299Twin (38 × 74) · 1 in shorter than your platformSee price
Firm
RVMattress.comPlank Firm Luxe
- Hybrid
- 13 in thick
- Firm / Extra Firm
$1,065Twin (38 × 74) · 1 in shorter than your platformSee price
Cooling
RVMattress.comAurora Luxe Cooling
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress for Temperature Regulation Read review
$1,265Twin (38 × 74) · 1 in shorter than your platformSee price
Heavy duty
RVMattress.comTitan Plus Luxe
- Hybrid
- 13 in thick
- Plush
$932Twin (38 × 74) · 1 in shorter than your platformSee price
Helix pick
HelixHelix Midnight
- Hybrid
- 11.5 in thick
- Medium Feel
Sleep Foundation: Best Mattress for Side Sleepers Read review
$799Twin · list priceSee price
RV hybrid
RVMattress.comCopperFlex RV Hybrid
- Hybrid
- 10 in thick
- Medium-Firm
$565Twin (38 × 74) · 1 in shorter than your platformSee price
Custom size
Mattress InsiderLuxury Gel Memory Foam
- Memory foam
- 8 in thick
- not stated
Made to 38 × 75 inGet a quote
Bunk mattresses in 52 × 96 in
Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.
Custom size
Mattress InsiderLuxury Gel Memory Foam
- Memory foam
- 8 in thick
- not stated
Made to 52 × 96 inGet a quote
Bed sizes by year
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2025 | 38 × 75 in Twin | 52 × 96 in | – | Thor spec sheet |
| 2026 | 38 × 75 in Twin | 52 × 96 in | – | Thor spec sheet |
Years not listed weren't published.
The 25Z floorplan
Thor's 2027 25Z floorplan.
Is this your 25Z?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2025 | Chateau 25Z | – | – |
| 2026 | Chateau 25Z | – | – |
| 2027 | Chateau 25Z | 26'-5" | 4 |
Other Chateau mattress sizes
Sources
- Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/62ff783963f0d0a/original/Z64ACZbqstJ9-lID_2025-TS-Chateau-021225-pdf.pdf
- Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/5fe233a092843e7e/original/aM1v_p5xUNkB06YG_2026-OH-Chateau-pdf.pdf
- Thor (thormotorcoach.com): https://www.thormotorcoach.com/chateau/floor-plans/25z
Questions
What size mattress is in the Thor Chateau 25Z?
The main bed is 38 × 75 in (Thor spec sheet, 2026).
What size are the Thor Chateau 25Z bunk mattresses?
52 × 96 in (Thor spec sheet, 2026).