FX Sails has created two lines of mainsails, Inshore and Offshore, so you can find the right solution for your needs. All FX tri-radial and cross-cut mainsails are built using premium sail cloth from the industry's most respected manufacturers - Challenge, Contender, Bainbridge and Dimension Polyant. Whether you're looking for a rugged sail suitable for an ocean crossing or the perfect sail for cruising bays, rivers and the coastline, FX delivers value, integrity and performance %u2014 and you have the assurance of working with a sail designer with more than 30 years experience.