Semperfli Dry Fly Polyyarn


Sold By: : Competitive Angler SKU: SF-POLYYARN Categories: ,


Polyyarn has been nicknamed by fly tyers world wide the ‘floating yarn’. It is so fibrous and so beautifully buggy, this easy to use fly tying material, indeed Dry Fly Polyyarn is a must have fly tying material. Dry Fly Polyyarn is a bonded form of polyyarn which is a dubbing on a rope product from Semperfli. It’s tight fibrous bonding makes it ideal on dry flies. Not only does it float naturally but its fibrous design traps air to help your fly float.

Dry Fly Polyyarn is durable and the color choices (including the single color or mottled options) means that there are many natural representations in this polyyarn range. It is easy to taper to a point by simply heating. Being part of the ‘dubbing on a rope’ range this makes it easy to use for beginners and experienced tyers alike.

With a very specific gravity / density of 0.91g/cm3, polypropylene yarn is lighter than water which means that it floats making it ideal for dry flies.

Many companies claim to use polypropylene yarn, however a simple test you can do at home to check if it is genuine polypropylene yarn is to cut a 1 inch / 25mm strip, scrunch it up in your fingers and drop it into a glass of water. If it is genuine polypropylene yarn then it should dip below the surface and then return to the surface. Also leave it for a day and it should still be floating as it is lighter than water and it is this property which makes it very special for dry flies.

There are a few fly tying polyyarns on the market today from different companies. Indeed Semperfli polyyarn is a spool based product which is intended for bodies of flies or to create detached bodies.

Additional information


Caddis Amber, Caddis Brown, Caddis Grey/Brown, Fiery Brown, Mottled Adams, Mottled Black & Golden Olive, Mottled Dark Brown, Mottled Grey Beige, Sunburst Orange, Black, Cream, Golden Olive


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