Jayco Jay Feather 18FDB mattress size
Years 2014Sold as Jay Feather SLXSleeps 4-5
Bunk mattresses in 30 × 76 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 18FDB floorplan

Jayco's 2014 18FDB floorplan.
Is this your 18FDB?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
| 2014 | Jay Feather SLX 18FDB | – | 4-5 |
Other Jay Feather mattress sizes
Questions
What size are the Jayco Jay Feather 18FDB bunk mattresses?
30 × 76 in (Jayco spec sheet, 2014).