rigsize

Forest River No Boundaries NB20.3 mattress size

Years 2023–2026Sold as No BoundariesLength 26' 2"
Bunks52 × 74 in Bunk. Forest River spec sheet, 2024. Common RV bunk sizes →

Bunk mattresses in 52 × 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 Insider Park Meadow Encased Coil II

Mattress InsiderPark Meadow Encased Coil II

  • Hybrid
  • 8 in thick
  • cushion-firm

Sleep Foundation: Best Mattress for Pressure Relief Read review

Made to 52 × 74 inGet a quote

Bed sizes by year

YearMain bedBunksOther bedsSource
2023–52 × 74 in–Forest River spec sheet
2024–52 × 74 in–Forest River spec sheet

Years not listed weren't published.

The NB20.3 floorplan

Forest River No Boundaries NB20.3 floorplan, 2024

Forest River's 2024 NB20.3 floorplan.

Is this your NB20.3?

Check the year and length against your RV before you order.

YearModelLengthSleeps
2023No Boundaries NB20.326' 2"–
2024No Boundaries NB20.326' 2"–
2025No Boundaries NB20.326' 2"–
2026No Boundaries NB20.326' 2"–

Other No Boundaries mattress sizes

Sources

  1. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20231203073919/https://forestriverinc.com/rvs/no-boundaries/NB20.3/6425
  2. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20230812070341/https://forestriverinc.com/rvs/ImageHandler/220774/NoBo---20.3_2023.webp
  3. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20250418155731/https://forestriverinc.com/rvs/no-boundaries/NB20.3/8121
  4. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20250619085445/https://www.forestriverinc.com/rvs/no-boundaries/NB20.3/10131
  5. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20260422055115/https://forestriverinc.com/rvs/no-boundaries/NB20.3/11771

Questions

What size are the Forest River No Boundaries NB20.3 bunk mattresses?

52 × 74 in (Forest River spec sheet, 2024).