Finn MB-1G Plus Mainsail

The MB-1G Plus is our most powerful all purpose sail, developed for the larger Finn sailor (over 102 kg). The MB-1G Plus mainsail is also used by lighter Finn teams in the 7-12 knot range whilst looking for extra power. It features a full radial construction and is built out of North Sails exclusive NLXi-03 Technora sail cloth.

Standard Features

  • All-purpose design
  • North NLXi-03 Technora sailcloth
  • Full radial construction
  • Class insignia
  • Sail numbers
  • Vision windows
  • Epoxy battens
  • Elastic batten pockets
  • Leech tell tales
  • Trim tale tales
  • Leech line
  • 7mm luff rope
  • Long roll bag
  • WS in-house measurement
  • Class royalty label


  • Carbon battens
  • Carbon headboard
  • Stick-on pockets
  • Adjustable elasticated luff
  • Country flag

Class Experts

Finn MB-1G Plus Mainsail headshot

Derek Scott

Auckland, New Zealand – Sales Office
Auckland, New Zealand – Sail Loft