- Hybrid
- 8 in thick
- cushion-firm
Sleep Foundation: Best Mattress for Pressure Relief Read review
That isn't a standard mattress size, so order a custom size cut to your platform.
Jayco spec sheet, 2015.
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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

The Greyhawk bedroom. Measure the platform, not the old mattress, before you buy.
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2013 | 60 × 76 in Queen | 60 × 80 in | – | Jayco spec sheet |
| 2014 | 60 × 76 in Queen | 58 × 80 in | – | Jayco spec sheet |
| 2015 | 60 × 76 in Queen | 58 × 80 in | – | Jayco spec sheet |
Years not listed weren't published.

Jayco's 2018 31DS floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2011 | Greyhawk 31DS | 32' 7" | 6-8 |
| 2012 | Greyhawk 31DS | 32' 3" | 5-7 |
| 2013 | Greyhawk 31DS | 32' 5" | 5-7 |
| 2014 | Greyhawk 31DS | – | 5-6 |
| 2015 | Greyhawk 31DS | 32' 1" | 5-7 |
| 2016 | Greyhawk 31DS | 32' 5" | 4-6 |
| 2017 | Greyhawk 31DS | 32' 6" | – |
| 2018 | Greyhawk 31DS | 32' 6" | – |
The main bed is 60 × 76 in (Jayco spec sheet, 2015).
58 × 80 in (Jayco spec sheet, 2015).