Armstrong S1-Foil Kit Modern Dual back and chest flex

Dual back and chest flex patterns to make this vest bend and flex as you need without foam bunching or restricting movement

offering more control

3 strut design

Swing weight is kept at a minimum with the board’s profile and transitioning from edge to edge is smooth like butter

The key to this design is the concave riding surface which

Armstrong S1-Foil Kit Modern Dual back and chest flexRedefining How We Learn to Foil The Step 1 (S1) foil range delivers remarkable stability, ultra low flying speed, and an instantly intuitive feel to make the first step into foiling as accessible and forgiving as possible. Pitch, roll, and yaw stability are critical to success when building foiling skills. The S1 design achieves a near autopilot like level of predictability thanks to a combination of leading and trailing edge sweep, chord length, and