Caddis Olive Brown (Size 2-4) Micro Fly this is the go-to choice

this is the go-to choice for low-water conditions and highly pressured rivers

Micro-Vibration Realism: The detailed wings and delicate legs create subtle vibrations and a realistic light-refraction pattern on the surface

System Integration: Perfectly calibrated for use with J:son Wing Material – C2

This specific size is engineered for life-like imitations of caddis pupae

This fly is a general-purpose attractor

Caddis Olive Brown (Size 2-4) Micro Fly this is the go-to choiceNote that color and sizes vary based on species, location and geographic conditions. The same applies to mayfly hatching times. Some hatch early, others later; some hatch intensely for a short period, while others hatch over longer periods and in two rounds.