Finn MB-1G Mainsail


All-Purpose Finn mainsail manufactured from North Sails own NLXi03 Technora laminate. The MB-1G  is the sail of choice of Olympic Champion Giles Scott. It is designed to be universal for the one-sail campaigner.

Standard Features

  • Class insignia
  • Sail numbers
  • Vision windows
  • Epoxy battens
  • Elastic pockets
  • Leech tell tales
  • Trim tale tales
  • Leech line
  • 6mm elastic luff rope
  • Long roll bag
  • WS in-house measurement
  • Class royalty label


  • Carbon battens
  • Carbon headboard
  • Stick-on pockets
  • 8mm elastic luff rope

Class Experts

Finn MB-1G Mainsail headshot

Derek Scott

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