31 floorplans · 2014–2025
Keystone Outback mattress sizes
Pick your floorplan and year for the mattress size that fits.
The floorplan code is on the decal by your door or in your owner's paperwork.
Sold 2023 and later
17BH54 × 74 in + 26 × 74 in bunks2024–2025 · Outback OBX
18BHS54 × 74 in + 26 × 74 in bunks2024–2025 · Outback OBX
19RBS54 × 74 in2025 · Outback OBX
210URS72 × 75 in + 34 × 74 in bunks2017–2023 · Outback, Outback Ultra-Lite
221UMD60 × 80 in2019–2024 · Outback Ultra-Lite
240URS72 × 75 in + 34 × 74 in bunks2016–2024 · Outback, Outback Ultra-Lite
244UBH60 × 74 in + 55 × 74 in bunks2021–2024 · Outback Ultra-Lite
260UML60 × 80 in2018–2024 · Outback Ultra-Lite
271FK72 × 75 in2025 · Outback
271UFK72 × 75 in2023–2024 · Outback Ultra-Lite
291BH48 × 74 in bunks2025 · Outback
291UBH60 × 80 in + 48 × 74 in bunks2020–2024 · Outback Ultra-Lite
296URK60 × 80 in2024 · Outback Ultra-Lite
302UBH28 × 65 in / 28 × 74 in / 38 × 74 in bunks2021–2023 · Outback Ultra-Lite
328RL72 × 74 in2016–2025 · Outback
330RL72 × 74 in2017–2025 · Outback
332ML72 × 74 in2021–2024 · Outback
335CG60 × 80 in2018–2024 · Outback
340BH60 × 80 in2019–2025 · Outback
341RD72 × 74 in2019–2025 · Outback
342CG72 × 74 in2021–2025 · Outback
343DB72 × 75 in2023–2024 · OutbackOlder floorplans
252URS60 × 80 in2020–2021 · Outback Ultra-Lite
261UBH60 × 80 in + 34 × 74 in bunks2019 · Outback Ultra-Lite
280URB60 × 80 in2019–2020 · Outback Ultra-Lite
299URL60 × 80 in2018–2020 · Outback Ultra-Lite
300ML60 × 80 in2019–2021 · Outback
301UBH60 × 80 in2019–2022 · Outback Ultra-Lite
313RL72 × 74 in2020 · Outback
324CG72 × 74 in + 28 × 74 in / 34 × 74 in bunks2016–2020 · Outback
332TRS38 × 74 in bunks2014–2015 · Outback TerrainOutback mattress sizes by floorplan
| Floorplan | Year | Main bed | Bunks | Source |
|---|---|---|---|---|
| 17BH | 2025 | 54 × 74 in | 26 × 74 in | Keystone spec sheet |
| 18BHS | 2025 | 54 × 74 in | 26 × 74 in | Keystone spec sheet |
| 19RBS | 2025 | 54 × 74 in | – | Keystone spec sheet |
| 210URS | 2023 | 72 × 75 in | 34 × 74 in | Keystone spec sheet |
| 221UMD | 2020 | 60 × 80 in | – | Keystone spec sheet |
| 240URS | 2024 | 72 × 75 in | 34 × 74 in | Keystone spec sheet |
| 244UBH | 2022 | 60 × 74 in | 55 × 74 in | Dealer report |
| 260UML | 2020 | 60 × 80 in | – | Keystone spec sheet |
| 271FK | 2026 | 72 × 75 in | – | Dealer report |
| 271UFK | 2024 | 72 × 75 in | – | Keystone spec sheet |
| 291BH | 2025 | – | 48 × 74 in | Keystone spec sheet |
| 291UBH | 2020 | 60 × 80 in | 48 × 74 in | Keystone spec sheet |
| 296URK | 2024 | 60 × 80 in | – | Keystone spec sheet |
| 302UBH | 2023 | – | 28 × 65 in, 28 × 74 in, 38 × 74 in | Keystone spec sheet |
| 328RL | 2023 | 72 × 74 in | – | Keystone spec sheet |
| 330RL | 2025 | 72 × 74 in | – | Keystone spec sheet |
| 332ML | 2023 | 72 × 74 in | – | Keystone spec sheet |
| 335CG | 2024 | 60 × 80 in | – | Keystone spec sheet |
| 340BH | 2025 | 60 × 80 in | – | Keystone spec sheet |
| 341RD | 2025 | 72 × 74 in | – | Keystone spec sheet |
| 342CG | 2025 | 72 × 74 in | – | Keystone spec sheet |
| 343DB | 2023 | 72 × 75 in | – | Keystone spec sheet |
| 252URS | 2020 | 60 × 80 in | – | Keystone spec sheet |
| 261UBH | 2019 | 60 × 80 in | 34 × 74 in | Keystone spec sheet |
| 280URB | 2020 | 60 × 80 in | – | Keystone spec sheet |
| 299URL | 2020 | 60 × 80 in | – | Keystone spec sheet |
| 300ML | 2021 | 60 × 80 in | – | Keystone spec sheet |
| 301UBH | 2020 | 60 × 80 in | – | Keystone spec sheet |
| 313RL | 2020 | 72 × 74 in | – | Keystone spec sheet |
| 324CG | 2020 | 72 × 74 in | 28 × 74 in, 34 × 74 in | Keystone spec sheet |
| 332TRS | 2015 | – | 38 × 74 in | Keystone spec sheet |
The newest year with a published size is shown. Each floorplan page lists every year.