VIPER 640 M-8 MAINSAIL Color:Gray It is our all round

It is our all round jib and provides excellent speed and pointing in all conditions

It is an all-purpose spinnaker and performs well throughout the wind range and over a wide variety of courses

It's straight exit allows for tighter sheeting in moderate winds

We have mirrored its entry/exit and matched it with HTP Square line of cloth for added durability in a radial sections

Perfectly complementing the XT-8 Mainsail

VIPER 640 M-8 MAINSAIL Color:Gray It is our all roundThe 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!