Semperfli Poly Yarn

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Semperfli Poly Yarn — The Science Behind the Perfect Dry Fly Wing MaterialHere's something most tyers don't know: Poly Yarn has a density rating of just 0.94 — less than the densit y of water at 1.0. That means it is, by nature, lighter than water. For dry fly tying, that's a significant advantage — it adds zero unnecessary weight to your fly, keeping it riding high exactly where you want it. Semperfli takes it a step further by pre-treating their Poly Yarn for superior performance right out of the package, so you're not starting from scratch at the vise.Apply a quality floatant — which Poly Yarn absorbs equally well — and it will float high and dry through even the most demanding presentations.Key Features Density of 0.94 — lighter than water by nature, adds no unnecessary weight to dry fly patterns Semperfli pre-treated — superior out-of-the-box performance compared to untreated poly yarns Absorbs floatant readily — apply a quality floatant and it floats high and dry all day Fibrous, buggy texture — natural-looking and easy to work with at the vise Perfect ForParachute posts, dry fly wings, emerger wing buds, and any pattern where a lightweight, high-floating wing material is essential to a great presentation. Show more