{"product_id":"sonar-sink-25-cold","title":"Sonar Sink 25 Cold","description":"\u003cp\u003e\u003cspan\u003eExperience powerful deep-water performance with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eScientific Anglers SONAR Sink 25 Cold Fly Line\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a specialized sink-tip fly line built for streamer fishing in cold and moderate water conditions. Featuring Scientific Anglers’ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAdvanced Shooting Technology (AST)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the Sink 25 Cold delivers excellent slickness, shooting performance, and durability when reaching fish holding deep is essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25-foot extra-fast sinking head\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is paired with a floating handling and running line, allowing the fly to reach depth while maintaining excellent control during casting and retrieves. Its low-tangle design helps increase shooting distance, making it an excellent option for covering water and delivering streamers efficiently.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuilt around a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebraided multifilament core\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the SONAR Sink 25 Cold is available in multiple grain weights to match a wide range of rods and fishing situations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePremium cold-water sink-tip fly line\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e25-foot extra-fast sinking head\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFloating handling and running line\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced Shooting Technology (AST)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent slickness and durability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow-tangle design for increased shooting distance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned specifically for streamer fishing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBraided multifilament core\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable in multiple grain weights\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for cold and moderate water\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent depth control for subsurface presentations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for trout, steelhead, salmon, bass, carp, stripers, and Esox\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Scientific Anglers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSeries:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e SONAR\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sink 25 Cold\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLine Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sink Tip Fly Line\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTechnology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Advanced Shooting Technology (AST)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHead Length:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 25 ft \/ 7.6 m\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTotal Length:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 105 ft \/ 32 m\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAvailable Grain Weights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 150–350 grains\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRod Weight Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5–10 wt\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSink Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sink 3 \/ Sink 6\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSink 3 Rate:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2.5–3.5 IPS\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSink 6 Rate:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5.5–6.5 IPS\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Braided Multifilament\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePrimary Fly Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Streamers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWater Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cold \/ Moderate\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePrimary Species:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trout, Steelhead, Salmon, Bass, Carp, Esox \u0026amp; Stripers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCountry of Origin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e USA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan\u003ePerfect For\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for anglers looking for a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003efast-sinking streamer line with excellent casting control and depth management\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The SONAR Sink 25 Cold is especially well suited for anglers who want \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ean extra-fast sinking head, a manageable floating running line, long shooting distance, and dependable performance when targeting fish below the surface\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Scientific Anglers","offers":[{"title":"WF-150-F\/S \/ Moss | Charcoal","offer_id":67514583613631,"sku":null,"price":99.95,"currency_code":"USD","in_stock":true},{"title":"WF-200-F\/S \/ Moss | Charcoal","offer_id":67514583646399,"sku":null,"price":99.95,"currency_code":"USD","in_stock":true},{"title":"WF-250-F\/S \/ Moss | Charcoal","offer_id":67514583679167,"sku":null,"price":99.95,"currency_code":"USD","in_stock":true},{"title":"WF-300-F\/S \/ Moss | Charcoal","offer_id":67514583711935,"sku":null,"price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/7683\/6031\/files\/ChatGPTImageSep27_2026_06_19_36PM.png?v=1790557911","url":"https:\/\/westsidefly.com\/products\/sonar-sink-25-cold","provider":"Westside Fly","version":"1.0","type":"link"}