Scientific Anglers Absolute Creek Trout Leader - Absolute leaders are made with proprietary copolymer blends that are designed to drastically reduce water absorption while maintaining an optimal suppleness for high knot strength. Absolute nylon leaders and tippet have a 29% higher wet knot strength compared to Scientific Anglers' previous material and up to 40% higher wet knot strength when compared to Scientific Anglers competitors. Scientific Anglers' new paper-based leader packaging is now 100% recyclable. All materials, inks, and window are fully biodegradable to protect streams and reduce environmental footprint. Please don't litter. Short, compact leader to accurately deliver flies to pocket water 40% higher wet knot strength