Mattress Topper

Perhaps another alternative is to consider >camping sleeping mats<?

The self inflating ones are easily rolled up and stored.

peedee

It is also worth considering the weight, they do weigh quite a bit if you are already close to your maximum payload.

Bought two duvalays last September. When I washed and tried putting the cover back on the mattress the zip broke. Contacted Duvalay and they said they can't do anything about it as there is only a 30 day guarantee. The nylon zips are too flimsy and come apart easily. After having paid £120 each I think the after sales support is a joke. Would not recommend them for this reason.

30 days?  That's disgraceful!  I am glad I didn't invest in Duvalay - my cheap and cheerful mattress topper is several years old and the zip still intact after several washings.  To get your zip replaced by a seamstress won't be cheap either. 

Have just bought a pair ov duvalay toppers in their new Freshtec foam. Not hot and so comfortable,  worth every penny. Also had a great customer service experience as one of the sheets had an oil mark on it, sent a replacement immediate without any quibble.

We used them in the dordogne in a recent heatwave so was a great test of the memory foam moans.

The other benefit is that it takes seconds to make the bed upgreat product. 

Just looked at the Duvalay website, wow way too much money for something so simple. Think I will stay with my home made version  2" memory foam purchased online, kingsize cut in half (cause its cheaper than 2 singles) make giant pillow case type covers for them. I roll them up and leave them at the window end of the seats where the cabinet is (no one can sit there. A cover thrown over them and they look like a bolster cushion. The duvet rolls up and fits into the corner top shelf along with a fleece blanket should it turn colder while we are away. Pillow goes into a cover that I made which tones in with the upholstery, acts as another bolster cushion opposite end of the settee.