Top pick
Brooklyn BeddingTitan Plus Core
- Hybrid
- 12 in thick
- Firm
$1,399Short Queen - 60x75 · list priceSee price
Jayco Jay Flight 321BDS mattress size
Main bed60 × 75 inRV short queen
That's an RV short queen, 5 in shorter than a regular queen. A regular queen would hang off the end, so get an RV short queen.
About the RV short queen size →Jayco floorplan drawing, 2027.
Bunks29 × 73 in / 48 × 73 in
Bunk bed; double over double bunk. Jayco floorplan drawing, 2027.
Common RV bunk sizes →
Mattresses in 60 × 75 in
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Best value
Mattress InsiderThe Sedona
- All-foam
- 5.5 in thick
- Firm
$33160" x 75" · list priceSee price
Reviewers' favorite
Mattress InsiderPark Meadow Encased Coil II
- Hybrid
- 8 in thick
- cushion-firm
Sleep Foundation: Best Mattress for Pressure Relief Read review
$66960" x 75" · list priceSee price
Best memory foam
Mattress InsiderElation Gel Foam
- Memory foam
- 6 in thick
- cushion firm
$45960" x 75" · list priceSee price
Best hybrid
Brooklyn BeddingTitan Plus Luxe
- Hybrid
- 13 in thick
- Plush
$1,665Short Queen - 60x75 · list priceSee price
Custom size
Mattress InsiderLuxury Gel Memory Foam
- Memory foam
- 8 in thick
- not stated
Made to 60 × 75 inGet a quote
Bunk mattresses in 29 × 73 in / 48 × 73 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 InsiderPark Meadow Encased Coil II
- Hybrid
- 8 in thick
- cushion-firm
Sleep Foundation: Best Mattress for Pressure Relief Read review
Made to 29 × 73 inGet a quote
The Jay Flight bedroom. Measure the platform, not the old mattress, before you buy.
Bed sizes by year
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2025 | 60 × 75 in Queen | 29 × 73 in, 38 × 73 in | – | Jayco floorplan drawing |
| 2025 | 60 × 75 in Queen | 29 × 73 in, 38 × 73 in Bunk bed | J-cube futon sofa (under 29x73 bunk) | Jayco floorplan drawing |
| 2026 | 60 × 75 in Queen | 29 × 73 in, 38 × 73 in | – | Jayco floorplan drawing |
| 2026 | 60 × 75 in Queen | 29 × 73 in, 38 × 73 in Bunk bed | J-cube futon sofa (under 29x73 bunk) | Jayco floorplan drawing |
| 2027 | 60 × 75 in Queen | 29 × 73 in, 48 × 73 in | – | Jayco floorplan drawing |
| 2027 | 60 × 75 in Queen | 29 × 73 in, 48 × 73 in Bunk bed; double over double bunk | Futon sofa (under 29x73 bunk); U-dinette | Jayco floorplan drawing |
Years not listed weren't published.
The 321BDS floorplan
Jayco's 2027 321BDS floorplan.
Is this your 321BDS?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2025 | Jay Flight SLX 321BDS | 36' 4" | 10 |
| 2026 | Jay Flight SLX 321BDS | 36' 4" | 7 |
| 2027 | Jay Flight 321BDS | 36' 4" | 11 |
Other Jay Flight mattress sizes
Sources
- Jayco (jayco.com): https://www.jayco.com/rvs/travel-trailers/2025-jay-flight-slx/321bds/
- Jayco (jayco.com): https://www.jayco.com/rvs/travel-trailers/2026-jay-flight-slx/321bds/
- Jayco (jayco.com): https://www.jayco.com/rvs/travel-trailers/2027-jay-flight/321bds/
Questions
What size mattress is in the Jayco Jay Flight 321BDS?
The main bed is 60 × 75 in (Jayco floorplan drawing, 2027).
Will a regular queen mattress fit the Jayco Jay Flight 321BDS?
No. The platform is 60 × 75 in, an RV short queen. A home queen is 60 × 80 in and hangs off the end.
What size are the Jayco Jay Flight 321BDS bunk mattresses?
29 × 73 in / 48 × 73 in (Jayco floorplan drawing, 2027).