rigsize

Northwood Desert Fox 21SW mattress size

Years 2008–2021Sold as Desert FoxLength 25'0"
Bunks54 × 90 in Bunk. Northwood spec sheet, 2021. Common RV bunk sizes →

Bunk mattresses in 54 × 90 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 Luxury Gel Memory Foam

Mattress InsiderLuxury Gel Memory Foam

  • Memory foam
  • 8 in thick
  • not stated
Made to 54 × 90 inGet a quote

The 21SW floorplan

Northwood Desert Fox 21SW floorplan, 2021

Northwood's 2021 21SW floorplan.

Is this your 21SW?

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

YearModelLengthSleeps
2008Desert Fox 21SW25'0"–
2010Desert Fox 21SW25'0"–
2011Desert Fox 21SW25'0"–
2012Desert Fox 21SW25'0"–
2014Desert Fox 21SW25'0"–
2016Desert Fox 21SW25'0"–
2020Desert Fox 21SW25'0"–
2021Desert Fox 21SW25'0"–

Other Desert Fox mattress sizes

Sources

  1. Northwood (northwoodmfg.com): https://northwoodmfg.com/wp-content/uploads/2025/01/Desert-Fox-2021.pdf
  2. Northwood (northwoodmfg.com): https://northwoodmfg.com/wp-content/uploads/2025/01/Desert-Fox-2020.pdf
  3. Northwood (northwoodmfg.com), archived copy: https://web.archive.org/web/20150316043457/http://northwoodmfg.com/images/rsync/brochures/Desert_Fox_Brochure.pdf
  4. Northwood (northwoodmfg.com), archived copy: https://web.archive.org/web/20130815053651/http://northwoodmfg.com/images/rsync/brochures/Desert_Fox_Brochure.pdf
  5. Northwood (northwoodmfg.com), archived copy: https://web.archive.org/web/20111010202923/http://northwoodmfg.com/images/rsync/brochures/Desert_Fox_Brochure.pdf
  6. Northwood (northwoodmfg.com), archived copy: https://web.archive.org/web/20110626035941/http://www.northwoodmfg.com:80/images/rsync/brochures/Desert_Fox_Brochure.pdf
  7. Northwood (northwoodmfg.com), archived copy: https://web.archive.org/web/20101126152130/http://northwoodmfg.com/images/rsync/brochures/Desert_Fox_Brochure.pdf
  8. Northwood (northwoodmfg.com), archived copy: https://web.archive.org/web/20100704212411/http://www.northwoodmfg.com:80/images/rsync/brochures/2008/Desert_Fox_2008.pdf

Questions

What size are the Northwood Desert Fox 21SW bunk mattresses?

54 × 90 in (Northwood spec sheet, 2021).