New Sesmic Owner

Pointerhaven · 02-13-2021, 07:33 AM

Have yet to take delivery but want to upgrade mattress. What factory mattress size in 2017 Sesmic 4212 MB

atlantaM3 · 02-13-2021, 08:02 AM

Per the floorplan on their website, it should be a King - https://www.jayco.com/tools/archive/2017-seismic/4212/

Pointerhaven · 02-13-2021, 10:38 AM

Any one know the specific measurements 72 x80 is standard king?

Kjt92840 · 02-13-2021, 08:31 PM

We added a 4" memorie foam topper to ours mattress and we like it better then our house mattress. Lol.... Just a thought could save you some money.

atlantaM3 · 02-14-2021, 07:14 AM

We did the same, added a 3 inch blue memory foam topper from Costco. It made it really comfortable, we sleep almost as well as at home.