{"title":"Fly Tying Thread","description":"\u003cp\u003eFly tying thread is the foundation of nearly every fly, securing materials to the hook while helping shape the body, head and profile of the finished pattern.\u003c\/p\u003e\n\n\u003cp\u003eShop fly tying thread in a wide range of sizes, strengths, colors and materials for everything from delicate dry flies and small nymphs to large streamers and saltwater patterns.\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003ca href=\"\/collections\/fly-tying-thread-tinsel-and-wire\"\u003eBack to Fly Tying Thread, Tinsel \u0026amp; Wire\u003c\/a\u003e\n\u003c\/p\u003e","products":[{"product_id":"12-0-euro-thread","title":"12\/0 Euro Thread","description":"\u003cdiv\u003e\n\u003cp\u003e12\/0 Euro Thread is a micro tying thread designed for precision on small hooks, optimized for size 18 and smaller. It offers controlled flow and dependable knots while staying budget-friendly. Engineered for consistent wraps during long tying sessions.\u003c\/p\u003e\n\u003cp\u003eIn testing, this thread proved slightly stronger than competing brands, delivering confident holds on delicate patterns. It supports clean wraps and consistent tension for tight, secure thread wraps on micro-ties. Ideal for routine tying work and professional setups.\u003c\/p\u003e\n\u003cp\u003eNew colors expand your palette for fly tying and micro tying tasks, giving you more options without changing technique. The color options help match natural wing cases, shell backs, and body bands.\u003c\/p\u003e\n\u003cp\u003eBuilt for performance on fast workbenches, it comes in a compact spool for quick access and reduced waste.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBest for size 18 and smaller hooks\u003c\/li\u003e \u003cli\u003eSlightly stronger than competing brands\u003c\/li\u003e \u003cli\u003eControlled flow and dependable knots\u003c\/li\u003e \u003cli\u003eNew color options for color matching and pattern variety\u003c\/li\u003e \u003cli\u003eCompact spool for precise, on the go work\u003c\/li\u003e \u003cli\u003eBudget-friendly pricing without compromising core performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Cascade Crest","offers":[{"title":"Brown","offer_id":43162785611810,"sku":"TH211-10","price":3.25,"currency_code":"USD","in_stock":true},{"title":"Chocolate Brown","offer_id":43162785644578,"sku":"TH211-11","price":3.25,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":43162785677346,"sku":"TH211-13","price":3.25,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":43162785710114,"sku":"TH211-3","price":3.25,"currency_code":"USD","in_stock":true},{"title":"Light Yellow","offer_id":43162785742882,"sku":"TH211-4","price":3.25,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":43162785775650,"sku":"TH211-5","price":3.25,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":43162785808418,"sku":"TH211-6","price":3.25,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":43162785841186,"sku":"TH211-7","price":3.25,"currency_code":"USD","in_stock":true},{"title":"Wine","offer_id":43162785873954,"sku":"TH211-8","price":3.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/7087\/8498\/files\/cascade-crest-120-euro-thread-2533662.jpg?v=1784160149"},{"product_id":"4-0-kevlar-thread","title":"4\/0 Kevlar Thread","description":"\u003cdiv\u003e\n\u003cp\u003e4\/0 Kevlar Thread delivers extreme thread strength for tying Glo-Bugs, saltwater flies, and bass bugs. Pre-waxed for immediate use, it wraps flat to produce clean, durable thread bodies.\u003c\/p\u003e\n\u003cp\u003eDesigned for demanding saltwater patterns and large-bodied flies, this thread resists abrasion and maintains tension under heavy loads. The pre-waxed coating reduces fraying and speeds setup, letting you lock in heavier materials with fewer wraps. Kevlar's inherent strength stands up to wind, salt, and sun, ensuring reliable performance across seasons.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrimary use: Glo-Bugs, saltwater flies, bass bugs\u003c\/li\u003e\n\u003cli\u003eMaterial and coating: Kevlar core with pre-waxed formula\u003c\/li\u003e\n\u003cli\u003eSize: 4\/0 gauge for bulky thread bodies\u003c\/li\u003e\n\u003cli\u003eFinish: wraps flat to minimize profile and improve durability\u003c\/li\u003e\n\u003cli\u003ePerformance: extreme thread strength under high tension in harsh conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn practice, 4\/0 Kevlar Thread shines on large saltwater patterns where bulk matters and secure wraps are critical. It pairs with heavy materials and holds its tension through long tying sessions. Store on a dry spool away from direct heat to preserve the wax and prevent brittleness.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ray Rumpf","offers":[{"title":"Black","offer_id":43162789904418,"sku":"TH007-6","price":5.5,"currency_code":"USD","in_stock":false},{"title":"Brown","offer_id":43162789871650,"sku":"TH007-5","price":5.5,"currency_code":"USD","in_stock":false},{"title":"Olive","offer_id":43162789740578,"sku":"TH007-1","price":5.5,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":43162789773346,"sku":"TH007-2","price":5.5,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":43162789838882,"sku":"TH007-4","price":5.5,"currency_code":"USD","in_stock":false},{"title":"Yellow","offer_id":43162789806114,"sku":"TH007-3","price":5.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/7087\/8498\/files\/ray-rumpf-40-kevlar-thread-9598604.jpg?v=1787018950"},{"product_id":"danville-flat-waxed-nylon-thread","title":"Danville Flat Waxed Nylon Thread","description":"\u003cdiv\u003e\n\u003cp\u003eDanville Flat Waxed Nylon Thread is a trusted choice for saltwater, bass, pike, and other large flies. The flat waxed profile delivers dependable handling for demanding patterns, helping wraps stay neat and secure on big flies. Built for the rigors of serious tying, this thread resists fray and maintains consistent performance under tension across saltwater and freshwater applications.\u003c\/p\u003e \u003cp\u003eDesigned for fly tiers who demand durability, fray resistance, and reliable results when tying large patterns, Danville Flat Waxed Nylon Thread provides a practical, repeatable finish from base wrap to head.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eMaterial: waxed nylon thread with a flat profile\u003c\/li\u003e\n\u003cli\u003eApplications: saltwater, bass, pike, and large fly patterns\u003c\/li\u003e\n\u003cli\u003eFray-resistant construction for cleaner wraps and long-term durability\u003c\/li\u003e\n\u003cli\u003eStrong under tension with consistent performance on big flies\u003c\/li\u003e\n\u003cli\u003eSmooth handling from base wrap to head finish for reliable results\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn saltwater and freshwater environments, the waxed finish minimizes stray fibers, promoting controlled turns and clean heads. The flat profile reduces thread bulk on large flies, improving even tension and easier application during extended tying sessions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hareline Dubbin","offers":[{"title":"Black","offer_id":43191830970402,"sku":"TH005-7","price":3.75,"currency_code":"USD","in_stock":false},{"title":"Brown","offer_id":43191830872098,"sku":"TH005-4","price":3.75,"currency_code":"USD","in_stock":false},{"title":"Dark Olive","offer_id":43191830773794,"sku":"TH005-17","price":3.75,"currency_code":"USD","in_stock":false},{"title":"Fluorescent Blue","offer_id":43191830675490,"sku":"TH005-14","price":3.75,"currency_code":"USD","in_stock":false},{"title":"Fluorescent Fire Orange","offer_id":43191830609954,"sku":"TH005-12","price":3.75,"currency_code":"USD","in_stock":false},{"title":"Fluorescent Green","offer_id":43191830577186,"sku":"TH005-11","price":3.75,"currency_code":"USD","in_stock":true},{"title":"Fluorescent Orange","offer_id":43191830544418,"sku":"TH005-10","price":3.75,"currency_code":"USD","in_stock":true},{"title":"Fluorescent Red","offer_id":43191831003170,"sku":"TH005-8","price":3.75,"currency_code":"USD","in_stock":true},{"title":"Fluorescent Shrimp Pink","offer_id":43191830708258,"sku":"TH005-15","price":3.75,"currency_code":"USD","in_stock":true},{"title":"Fluorescent White","offer_id":43191830642722,"sku":"TH005-13","price":3.75,"currency_code":"USD","in_stock":false},{"title":"Fluorescent Yellow","offer_id":43191831035938,"sku":"TH005-9","price":3.75,"currency_code":"USD","in_stock":true},{"title":"Light Grey","offer_id":43191830839330,"sku":"TH005-3","price":3.75,"currency_code":"USD","in_stock":true},{"title":"Light Olive","offer_id":43191830937634,"sku":"TH005-6","price":3.75,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":43191830904866,"sku":"TH005-5","price":3.75,"currency_code":"USD","in_stock":false},{"title":"Tan","offer_id":43191830741026,"sku":"TH005-16","price":3.75,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":43191830511650,"sku":"TH005-1","price":3.75,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":43191830806562,"sku":"TH005-2","price":3.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/7087\/8498\/files\/hareline-dubbin-danville-flat-waxed-nylon-thread-4245101.jpg?v=1787018833"},{"product_id":"semperfli-pure-silk","title":"Semperfli Pure Silk","description":"\u003cdiv\u003e\n\u003cp\u003eSemperfli Pure Silk is twisted pure silk, a staple for traditional fly patterns such as spiders or Clyde style. If you prefer a flat profile, untwist it by spinning on your bobbin holder, delivering a dual purpose material with added strength versus traditional silks. Designed to closely match historic silk colors as described in the Edmonds \u0026amp; Lee Brook \u0026amp; River Trouting reference, it provides a period accurate look with modern robustness. The denier is approximately 250d, balancing body and delicate taper for classic dries and wets.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwisted silk with stronger construction compared to traditional silk\u003c\/li\u003e\n\u003cli\u003eDual purpose: twist for traditional cord or untwist for a flat profile using a bobbin holder\u003c\/li\u003e\n\u003cli\u003eHistorically accurate color matching to Edmonds \u0026amp; Lee reference materials\u003c\/li\u003e\n\u003cli\u003eApproximately 250d denier for reliable body and control\u003c\/li\u003e\n\u003cli\u003eIdeal for spiders, Clyde style flies, and other traditional patterns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Semperfli","offers":[{"title":"Vintage Orange","offer_id":43192400216098,"sku":"SE020-1","price":5.75,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":43192400248866,"sku":"SE020-10","price":5.75,"currency_code":"USD","in_stock":true},{"title":"Straw","offer_id":43192400281634,"sku":"SE020-11","price":5.75,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":43192400314402,"sku":"SE020-2","price":5.75,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":43192400347170,"sku":"SE020-3","price":5.75,"currency_code":"USD","in_stock":true},{"title":"Brown","offer_id":43192400379938,"sku":"SE020-4","price":5.75,"currency_code":"USD","in_stock":true},{"title":"Danica Primrose","offer_id":43192400412706,"sku":"SE020-5","price":5.75,"currency_code":"USD","in_stock":false},{"title":"Dark Olive","offer_id":43192400445474,"sku":"SE020-6","price":5.75,"currency_code":"USD","in_stock":true},{"title":"Golden Olive","offer_id":43192400478242,"sku":"SE020-7","price":5.75,"currency_code":"USD","in_stock":true},{"title":"Pale Olive","offer_id":43192400511010,"sku":"SE020-8","price":5.75,"currency_code":"USD","in_stock":true},{"title":"Purple","offer_id":43192400543778,"sku":"SE020-9","price":5.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/7087\/8498\/files\/semperfli-semperfli-pure-silk-4638309.jpg?v=1784160337"},{"product_id":"uni-stretch-nylon-thread","title":"UNI-Stretch Nylon","description":"\u003cdiv\u003e\n\u003cp\u003eUni Stretch Nylon Thread is a shiny, tough, and stretchy nylon thread designed to replace floss. This material is easy to use and available in bright colors, making it a practical choice for butt sections on steelhead flies. Packaged on 30 yd spools, it provides ample length for multiple uses. The nylon composition and stretch deliver reliable performance, enabling controlled wraps with less fray as you work.\u003c\/p\u003e \u003cp\u003eDesigned for applications that require flexible, durable threading, Uni Stretch Nylon Thread stands up to the demands of steelhead patterns. Its bright colors aid visibility during the tying process, helping you track build sequences at a glance. The 30 yd spool size keeps your workstation stocked for ongoing tying projects.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMaterial: nylon\u003c\/li\u003e \u003cli\u003eFinish: shiny\u003c\/li\u003e \u003cli\u003eStretch: high elasticity\u003c\/li\u003e \u003cli\u003ePrimary use: replaces floss; good for butt sections on steelhead flies\u003c\/li\u003e \u003cli\u003eColor: bright colors\u003c\/li\u003e \u003cli\u003eLength: 30 yd spool\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"UNI","offers":[{"title":"Black","offer_id":43192584241186,"sku":"TH010-1","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Brown","offer_id":43192584306722,"sku":"TH010-11","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Chinese Red","offer_id":43192584372258,"sku":"TH010-3","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Fluorescent Chartreuse","offer_id":43192584339490,"sku":"TH010-2","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Fluorescent Hot Pink","offer_id":43192584470562,"sku":"TH010-6","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":43192584503330,"sku":"TH010-7","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Fuchsia","offer_id":43192584405026,"sku":"TH010-4","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":43192584437794,"sku":"TH010-5","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Olive","offer_id":43192584273954,"sku":"TH010-10","price":2.5,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":43192584536098,"sku":"TH010-8","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":43192584568866,"sku":"TH010-9","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":45304042586146,"sku":"TH010-12","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Wine","offer_id":45304042618914,"sku":"TH010-13","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Pumpkin","offer_id":45304042651682,"sku":"TH010-14","price":2.5,"currency_code":"USD","in_stock":false},{"title":"Br. 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When dubbed with the split-thread method, it builds almost indestructible bodies that resist compression and fraying during tough casts and fish strikes.\u003c\/p\u003e \u003cp\u003eThe fiber remains stable in varied conditions, giving clean, consistent wraps whether tying slick deer hair or bulky foam bodies.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e12\/0 size with 50-denier construction for small, strong wraps\u003c\/li\u003e\n\u003cli\u003eFour-pound breaking strength for reliable performance under load\u003c\/li\u003e\n\u003cliideal for spinning deer hair on trout flies\u003e\n\u003cli\u003eEffective for securing large foam flies\u003c\/li\u003e\n\u003cli\u003eSplit-thread method compatibility yields durable, solid bodies\u003c\/li\u003e\n\u003cli\u003eGsp thread construction supports controlled, tight wraps\u003c\/li\u003e\n\u003c\/liideal\u003e\n\u003c\/ul\u003e \u003cp\u003eEngineered for serious anglers who demand reliable, controlled performance in the vise and on the water.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"UNI","offers":[{"title":"Black","offer_id":43192585355298,"sku":"TH013-1","price":8.75,"currency_code":"USD","in_stock":false},{"title":"White","offer_id":43192585388066,"sku":"TH013-2","price":8.75,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":43192585420834,"sku":"TH013-3","price":8.75,"currency_code":"USD","in_stock":false},{"title":"Yellow","offer_id":43192585453602,"sku":"TH013-4","price":8.75,"currency_code":"USD","in_stock":true},{"title":"Olive","offer_id":43192585486370,"sku":"TH013-5","price":8.75,"currency_code":"USD","in_stock":false},{"title":"Fluorescent Green","offer_id":43192585519138,"sku":"TH013-6","price":8.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/7087\/8498\/files\/uni-uni-cord-120-gsp-thread-5628218.jpg?v=1784160379"},{"product_id":"uni-translucent-clear-mono-thread","title":"UNI-Translucent Clear Mono Thread","description":"\u003cdiv\u003e\n\u003cp\u003eUni-Translucent Clear Mono Thread is a strong tying thread designed for serious fly tiers. 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Made from Gel Spun Yarn (GSP), it delivers high tension on large flies while remaining nearly invisible in the finished pattern. 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Designed for general purpose patterns that are not streamers, this thread delivers consistent wraps, controlled tension, and reliable knot security. The 50 denier Predator 12\/0 provides rugged control for small to medium flies. You don't need multiple colors for most flies; mark the thread with a marker before whip finishing, then apply UV resin to create a durable, finished look. 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Length 100m spool, ready for extended tying sessions and repeatable color from marker customization.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eUltra fine 30 denier, 18\/0 construction minimizes bulk on tiny patterns.\u003c\/li\u003e\n\u003cli\u003eColor customization via marker, then UV resin coating cured with standard light.\u003c\/li\u003e\n\u003cli\u003eSuitable for midges, dries, and small nymphs; supports dubbing loops and precise wraps.\u003c\/li\u003e\n\u003cli\u003eCompatibility with a ceramic bobbin for smooth tension and control.\u003c\/li\u003e\n\u003cli\u003eLength 100 meters on each spool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Semperfli","offers":[{"title":"Default Title","offer_id":43270788874274,"sku":"SE006","price":6.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/7087\/8498\/files\/semperfli-semperfli-nano-silk-30-denier-180-6178157.jpg?v=1784160220"},{"product_id":"semperfli-nano-silk-1-0-300-denier-thread","title":"Semperfli Nano Silk 300D 1\/0 Hair Stacker Thread","description":"\u003cdiv\u003e\n\u003cp\u003eSemperfli Nano Silk 1\/0 - 300-Denier Thread is built for your largest patterns where extreme strength with low build up is required. 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