Finally Armstrong have added a more accessibly priced option to thier premium foil line up. Now more customers can ride one of the biggest name in foiling gear. Using standard Armstrong fittings the S1 kits can be easily be upgraded and mixed with premium carbon elements. 
 
Details from Armstrong:
 
An ultra easy platform for first time flyers to learn any foiling discipline.
Excellent low speed lift, stability and recovery from ventilation.
Leading and trailing edge sweep for stability and a narrower span to minimise breaching.
Downturned wing tips increase rider safety and improve the efficiency of water flow.
Proprietary Armstrong A+ System foil connection design offers industry-leading stiffness, durability and modularity.
The S1 300 stabiliser was designed alongside the S1 foils to provide riders with the best learning platform possible.