The A-12+ Mainsail is a development for the new stiff Petticrows mast. This new mast is 10% stiffer than the standard Petticrows mast and the Borrensen mast. The sail is manufactured from a slight firm fabric to give a more stable easy to trim sail and much improved longevity. It’s easy to trim characteristics make a fast sail in all conditions.
Mainsail standard features: