The revolutionary RIO Perception floating trout line helps anglers connect with more fish than ever before. Built with ultra-low stretch ConnectCore Technology, Perception lines provide ground breaking levels of sensitivity for intuitively better cast timing, easier line lift and sharp, precise mends. Lack of stretch also means enhanced detection of subtle takes and faster reaction time when setting the hook. RIO's exclusive SureFire color system (RIO’s unique tri-color distance measure) improves casting accuracy by making it easy to gauge exact distances with a quick glance. Easy casting taper design for great all round performance. Unique three-colour SureFire system ensures deadly accurate distance control. ConnectCore improves casting timing, hook set and mending. EasyID tag on front taper to quickly identify fly line. Available in two colour variations to suit all angling situations.