SA Amplitude Infinity Fly Line TO and the Grundies™ base layer

and the Grundies™ base layer collection was designed to help you retain a vital resource: body heat

Crushable brim and crown makes for easy travel

Quick-change spool with a threaded release cap and large-arbor design

easy carry

SA Amplitude Infinity Fly Line TO and the Grundies™ base layerIts a good time of the year to check your gear. Worn out fly line will put a damper on a successful day of fishing. When we see room for improvement, we jump at the chance. In this case, we wanted to make our lines even slicker and more durable. Which brings us to AMPLITUDE. The first series of lines to feature the revolutionary AST PLUS slickness additive, the Amplitude will shoot farther and last longer than any other line on the market. Its