Armstrong S1 Front WingS1 The Step 1 (S1) front foil is the easiest, quickest and safest ticket to the world of foiling. Designed with the same science behind our hardest charging front foils, every aspect of the S1 is shaped for user friendliness. Perfect for learning any discipline from wing to surf foiling, it practically smashes the learning curve flat with its autopilot like stability, ultra low flying speed and an overall easy to understand ride feel. The design has a