Channel Islands Upright Single Tab PG Tri/Quad Fin Set-Grey-Medium Size_7'5" All Sonar Foil Systems are

All Sonar Foil Systems are compatible with any foilboard with an industry-standard 165x90mm mast track

Cotton twill

Armstrong A Wing V2-5

carbon-fiber PTM Series is for foilers who demand speed and agility but still need dependable stability for those critical moments

Relax your stance

Channel Islands Upright Single Tab PG Tri/Quad Fin Set-Grey-Medium Size_7'5" All Sonar Foil Systems areFrom CI Designed in conjunction with the Better Everyday, the CI Upright five fin set is designed for surfers who want speed, control, and maneuverability. Upright side fins and raked trailers combine for the perfect amount of drive and release. The upright nature of the thruster template promotes tighter turns and comes to life in punchy, hollow waves and when performing vertical turns. It can also suit conditions where immediate start up speed is