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 72 × 74 inGet a quote
Keystone Outback 328RL mattress size
Main bed72 × 74 inRV short king
That's an RV short king. Few brands stock 72 × 74 in, so order a custom size.
About the RV short king size →Keystone spec sheet, 2023.
Mattresses in 72 × 74 in
We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.
The Outback bedroom. Measure the platform, not the old mattress, before you buy.
The 328RL floorplan
Keystone's 2025 328RL floorplan.
Is this your 328RL?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2016 | Outback 328RL | 37' 4" | – |
| 2018 | Outback 328RL | 37' 10" | – |
| 2019 | Outback 328RL | 37' 10" | – |
| 2020 | Outback 328RL | 37' 7" | – |
| 2021 | Outback 328RL | 37' 7" | – |
| 2022 | Outback 328RL | 37' 7" | – |
| 2023 | Outback 328RL | 37' 7" | – |
| 2024 | Outback 328RL | 37' 7" | – |
| 2025 | Outback 328RL | 36' 11" | – |
Other Outback mattress sizes
Sources
- Keystone (keystonerv.com), archived copy: https://web.archive.org/web/20180123081618/http://www.keystonerv.com:80/previous-years?brand=Outback&year=2016
- keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/58a1b01e-656a-4567-9a32-bdae029e85cd_outback_brochure_2018.pdf
- keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/b8a18a01-2c54-4a56-bd2b-4761714ee21a_outback_brochure-2019.pdf
- keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/17b39f17-097b-4e77-b4ea-d23c32be4156_outback_brochure-2020.pdf
- keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/56db7c20-4e43-4043-a2aa-36d678509423_Outback_16pg_Brochure_Dec20_WEB.pdf
- bishs.com: https://www.bishs.com/product/used-2021-keystone-rv-outback-328rl-3599122-29
- keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/b19b4f63-7472-4d49-8b20-2537900d1c71_OB_8_5x11_Hershey_Brochure_Aug21_WEB.pdf
- keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/2b65d7aa-f374-4b2b-8a17-f1e70024f9ff_KRV_230224_OB_Brochure_8.5x11.pdf
- keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/43149e11-d2dd-454e-9b53-fd7339bc4ebb_KRV_2310_Outback_Brochure_8.5x11_WEB.pdf
- keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/media/Zxj6LoF3NbkBX6y2_OB_2410_Brochure_WEB.pdf
Questions
What size mattress is in the Keystone Outback 328RL?
The main bed is 72 × 74 in (Keystone spec sheet, 2023).