IC37 MNi-1 MAINSAIL Color:Black to be a superior sail

to be a superior sail in all wind conditions while improving speed

This design reacts wonderfully to runner and sheet tension to give an easy-to-use genoa design in changeable conditions

to a bi-radial construction

It has been designed so that the top and clew panels are rocked to absorb the high loads

The GS-4 mainsail is our all purpose sail recommended for Finn sailors below 86kg

IC37 MNi-1 MAINSAIL Color:Black to be a superior sailThe IC37 MNi 1 Mainsail is manufactured from North Sails 3Di RAW which is a purpose built composite sail with a dedicated tape layout developed to best match 3Di technology and properties to best match the loads and dpi to the IC37 sail plan. The result is a wider wind range, a more supple feel, and a more user friendly experience.