Replacement Mattress Options For A 2021 NuCamp T@G Boondock XL

Updated 11/04/2026 | Published 12/04/2023

Question:

Hello! I am considering purchasing a new mattress for my 2021 TAG Nucamp Boondock XL. I see that on your sight there are a number of mattresses that are categorized to fit my trailer. It does appear that those mattresses are about 2 inches longer and wider than the factory mattress. I just want to be sure that the mattress recommendations fit my trailer before I purchase! Have you tested mattresses to confirm the sizes fit? Thank you so much

asked by: Glenn

Expert Reply:

Mattresses can vary between sub models so it's best to measure the mattress/frame that you have in order to get the correct size replacement. I would not follow the fitguide for this particular item. The Denver Mattress Supreme Euro Top RV Memory Foam Mattress # DE92YR you were looking at is 80" long x 72" wide. I've attached a link below to our selection of mattresses but can take a look for you as well if you can give me the dimensions you have.

expert reply by: Kevin C

Sean

11/4/2026

The write up says it works with adjustable bed frames, does that mean it fits my 2019 Thor Tuscany 40RT that tilts the upper third up when the slide is stowed, or when watching TV?

Jameson C.

11/4/2026

@Sean How sharp of an angle does the mattress fold? Is it just a little bit like what you'd see for an elevated mattress for like watching TV or does it like really fold with a crease in the mattress.