The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to five times less drag and eight times the durability of traditional lines, this will change the way you look at fly line performance.

• Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
• A scaled up version of our general purpose Infinity taper, the Infinity Plus is built a full size heavy for the fastest rods and larger trout rigs
• Underlining Infinity Plus by 1 size creates an AFFTA true standard weight for slower rods and advanced casters
• Braided multifilament core
• SA AMP S INFNTY PLUS WF X F (X = line weight)