Semperfli Poly-Yarn Dark Brown

Semperfli Poly-Yarn Dark Brown
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Model:  sem-poly-dbr
Bar Code:  5052925057190
Part Number:  886741057196
Brand:  Semperfli
Manufacturer:  Semperfli
Material Color:  Dark Brown

Dark Brown Poly Yarn

Often nicknamed by fly tyers as yarn dubbed as the "floating yarn". Since its invention poly yarn has been used in many industries from carpets to seatbelts. However for fly tyers its unique abilities make this a stunning fly tying material.

With a specific gravity/density of 0.91 g/cm³ Dark Brown poly yarn is lighter than water and so floats making it ideal for dry flies particularly where it is used for parachute posts and as dubbing. When used on a dry fly it absorbs floatant and keeps your fly floating. Many companies claim to use poly yarn however fly tyers can easily test if it is genuine poly yarn, simply cut a 1” 25mm strip, scrunch it in your fingers and drop it into a glass of water. If it is genuine poly yarn it will dip below the surface then return to the surface film. It is this lighter than water feature that makes it an ideal dry fly material.

Dark Brown Poly Yarn Specifications

  • Floating Yarn
  • Ideal for bodies, parachute posts, indicators and as dubbing
  • Specific gravity/density of 0.91 g/cm³ so lighter than water


  • Use as parachutes, for bodies, particularly dry flies or cut into small pieces and use as dubbing!

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