VIPER 640 M-8 MAINSAIL Color:Gray It is full in the

It is full in the front and straight leeched for high speed and power at the same time

built from Superkote 60 spinnaker cloth

The GR-3 Yngling mainsail is designed and has proved to be a force to be recon with throughout a whole wind range

making it less apt to stall in lighter breeze and more forgiving to trim

The BR-1 is available in two standard panel layouts

VIPER 640 M-8 MAINSAIL Color:Gray It is full in theThe M8 is an update to our tried and true M7 the winningest Mainsail in class history with Multiple World and Continental Championships. With a proven shape that delivers unparalleled top end speed and a forgiving twist profile, the M8 is built from our proprietary North XI laminate cloth. The forgiving nature of this sail makes it easy to get up to speed and stay there!