Hydrodynamica | Simster,Hydrodynamica Mini Simmons - The Board Source, Carlsbad,Hydrodynamica Mini Simmons - The Board Source, Carlsbad,UFO sighting and simultaneous delivery of 4 exquisite @hydrodynamica “Casper” Mini Simmons in @xtrsurfboards construction! Stringerless, eps, epoxy lamination with hand foiled Larry Gephart marine ply fins! Magical, transgressive surf craft ,6'6