The Scientific Anglers Absolute Redfish Leader is made with proprietary copolymer blends that are designed to drastically reduce water absorption while maintaining an optimal suppleness for high knot strength. All materials, inks, and window are fully biodegradable to protect our streams and reduce our environmental footprint. Scientific Anglers Absolute Redfish Leader Features: Specialty taper designed specifically for delivering heavier Redfish flies Medium-stiff material for abrasion resistance