A classic wet fly for early-season mayfly activity and soft evening rises. The Blue Dun Wet suggests an emerging or drowned blue-gray mayfly; its soft hackle breathes on the swing while the understated body keeps the profile natural in clear water and gentle glides.
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When it excels: Spring through early summer, especially evenings during pale/blue-gray mayfly activity; riffle tails, seams, and slow flats
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Why it works: Soft hackle pulses and opens on the swing; subtle blue-gray body matches a wide range of mayflies in the film
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Pack size: 3 flies
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Targets: Trout (rainbow, brown, brook)
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Ready to fish: Durable wraps and clean proportions for repeatable, natural drifts
How to fish it
Cast down-and-across and let it swing slowly through the seam; add a gentle lift at the hang-down to trigger eats. In slick water, grease the leader to keep the fly just under the film, or run it as the upper fly above a small nymph. Use 4–5X and keep swings short and controlled.
Care
Rinse after use and air-dry before boxing to prevent hook corrosion.
Satisfaction
30-day returns/exchanges.