J:son Mayfly Dun 3 Sulphur #18 anatomical fly wings Our S-series is available in

Our S-series is available in five sizes

They are most commonly seen on the surface during two critical moments: when they first hatch and when the females return to lay their eggs

48 pcs delivered with manual

N3: Fits hook size 10-12 (Optimized for size 12-14)

This fly is built to withstand repeated strikes and the rigors of technical stream fishing without losing its shape or buoyancy

J:son Mayfly Dun 3 Sulphur #18 anatomical fly wings Our S-series is available inThe Mayfly Dun: The Moment of Truth (The Crucial Stage) The stage of the newly hatched adult Mayfly is called the Dun. This is arguably the most critical phase for the fly angler. Depending on surrounding circumstances such as temperature, wind, and weather, the time it takes before the Dun is able to fly away from the surface will vary. These newly hatched Mayflies are often an easy and vulnerable target for the fish, and many will end up in Mr.