8 months on a Naish Large. The 2017 version. I bought it in May 2018 though. Don't really have money to go switching brands to a whole new foil though. Ugh. At least I have real boards to ride for awhile.
http://instagr.am/p/Bsmopqxhf2i/
http://instagr.am/p/Bsmopqxhf2i/