Fleetwood Wilderness Ultralite 721E mattress size
Years 1999Sold as Wilderness UltraliteLength 21'6"
Bunk mattresses in 27 × 74 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
Is this your Wilderness Ultralite 721E?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
| 1999 | Wilderness Ultralite 721E | 21'6" | – |
Other Wilderness mattress sizes
Questions
What size are the Fleetwood Wilderness Ultralite 721E bunk mattresses?
27 × 74 in (Fleetwood spec sheet, 1999).