A genoa halyard should have a low elongation. This is required for properly trimming your sail: when wind increases, sail should stay flat. For regatta sailing we advice the ropes below.
This is an high-performance regatta rope and has a core of coated Stirotex fibers. The Technora/polyester cover is suitable for big winches and works very well in clutches. This rope is suitable for splicing and tapering.