Tried my new 2017 2XC Simmer 6m yesterday with the Naish WS1 foil and it's a winner.
I've been trying to find the best solution (for me - a lazy pumper) to foil consistently in 10-12 knots of wind on the ocean.
My Ezzy wave-sail is better with the foil than my rotational wave-sails, but the twin-cam Simmer is better again.
The twin cams hold the shape in the sail even with no wind, which helps catching the gusts.
It rigs easily (big mast cut-out) on my constant curve RDM with a fairly tight leech (with min downhaul) - which helps with light-wind efficiency.
The sail is really light and the 1.84m boom length means I can use my lighter wave boom - I reckon a light rig makes a big difference in getting foiling in marginal conditions.
And the sails are well priced
simmerstyle.com.au/

The feedback from the foil crew on the 2XC twin cam, has been very positive.
I decided to get a few more demo sail in 7.8 and 6.5, if anybody is interested in testing them out on the foils ( I will have them in 1 week)
It is all pretty new for me regarding foiling, but the 2 cam, narrow sleeve, large foot area and power down low make sense.
Easy rotation is a big plus as well, as you would go in much less wind than normal and you need to be able to rotate the sail easy.
Also the easy conversion to RDM if required, is very helpful.
I would however mention that to start with that a wave sail would most likely be the best choice, until you got the hang of it.
I can't wait to get out again :)
Yes Sean :)
I had to soak it in fresh water , like a dirty river fish, for some days. Then a bit of sanding on all the parts and it was fine to go again. :)