New Sirius 21 Mainsail - Challenge Sailcloth Warp Drive

If you are looking for a new replacement mainsail for your Sirius 21 sailboat, consider this Precision Sails designed Mainsail constructed with Challenge Sailcloth's Warp Drive - Tri-Radial Dacron. The triradial allows our design team to build better sail shape which translates in to better speed, pointing and handling as well as less heel. For racers or cruisers these all add up to better performance and a more enjoyable sailing experience.