Getting the most out of your mainsail is critical to enjoying your sailing adventures. Understanding the key features and trim techniques will keep you sailing smoothly towards your next destination or charging up the racecourse. Quantum experts weigh in on a variety of mainsail topics covering the importance of battens, sail shape, and how to reef your sails when the breeze builds. Be prepared for all the conditions ahead and hone your skills with these helpful mainsail resources.