Three bundles of Spirit River Flex-Floss: neon green, charcoal and bright orange glossy synthetic strands for fly tying
Spirit River Flex-Floss fly tying material showing close-up grid of thin glossy synthetic floss strands in vivid colors
Spirit River Flex-Floss fly-tying floss: glossy synthetic strands in red, white and chartreuse yellow
Spirit River Flex-Floss synthetic strands in vertical bundles, assorted neon and natural colors for fly tying
Spirit River Flex-Floss dark iridescent purple-black synthetic strands knotted, glossy silky fly tying floss
Three Spirit River Flex-Floss fly tying packs with neon green, grey and orange synthetic floss strands in clear packages
Dark charcoal and black synthetic Flex-Floss strands looped and bundled, glossy fly-tying floss on grid ruler background
Black Spirit River Flex-Floss strands, glossy coiled synthetic floss for fly tying
Bright electric blue flexible synthetic floss strands for fly tying, thin glossy rubbery material in loose tangled bundle
Brown synthetic Flex-Floss strands for fly tying, thin glossy flexible fibers bundled and overlapping
Olive green Spirit River Flex-Floss: thin glossy synthetic floss strands for fly tying
Neon chartreuse synthetic Flex-Floss strands for fly tying, thin glossy translucent nylon fibers
Neon hot-pink Flex-Floss thin glossy synthetic strands for fly tying, flexible tubular fibers
Tangled gray translucent flat synthetic Flex-Floss strands for fly tying, thin flexible material
Spirit River Flex-Floss bright chartreuse green synthetic strands, glossy flexible nylon material for fly tying
Olive green Spirit River Flex-Floss: glossy thin synthetic floss strands with twisted texture for fly tying
Olive green Spirit River Flex-Floss glossy flexible synthetic floss strands, thin tubing for fly tying
Bright orange Flex-Floss synthetic strands, glossy thin flexible fibers for fly tying, bundled ribbon-like
Bright magenta synthetic Flex-Floss strands, thin flexible tubular fly tying material with glossy texture
Bright red Spirit River Flex-Floss: thin flexible synthetic strands with glossy translucent finish for fly tying
Tangled translucent pearlescent white Flex-Floss strands, thin synthetic nylon fly tying material
Bright chartreuse-yellow synthetic Flex-Floss strands, thin flat translucent shimmer ribbon for fly tying
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Three bundles of Spirit River Flex-Floss: neon green, charcoal and bright orange glossy synthetic strands for fly tyingSpirit River Flex-Floss fly tying material showing close-up grid of thin glossy synthetic floss strands in vivid colorsSpirit River Flex-Floss fly-tying floss: glossy synthetic strands in red, white and chartreuse yellowSpirit River Flex-Floss synthetic strands in vertical bundles, assorted neon and natural colors for fly tyingSpirit River Flex-Floss dark iridescent purple-black synthetic strands knotted, glossy silky fly tying flossThree Spirit River Flex-Floss fly tying packs with neon green, grey and orange synthetic floss strands in clear packagesDark charcoal and black synthetic Flex-Floss strands looped and bundled, glossy fly-tying floss on grid ruler backgroundBlack Spirit River Flex-Floss strands, glossy coiled synthetic floss for fly tyingBright electric blue flexible synthetic floss strands for fly tying, thin glossy rubbery material in loose tangled bundleBrown synthetic Flex-Floss strands for fly tying, thin glossy flexible fibers bundled and overlappingOlive green Spirit River Flex-Floss: thin glossy synthetic floss strands for fly tyingNeon chartreuse synthetic Flex-Floss strands for fly tying, thin glossy translucent nylon fibersNeon hot-pink Flex-Floss thin glossy synthetic strands for fly tying, flexible tubular fibersTangled gray translucent flat synthetic Flex-Floss strands for fly tying, thin flexible materialSpirit River Flex-Floss bright chartreuse green synthetic strands, glossy flexible nylon material for fly tyingOlive green Spirit River Flex-Floss: glossy thin synthetic floss strands with twisted texture for fly tyingOlive green Spirit River Flex-Floss glossy flexible synthetic floss strands, thin tubing for fly tyingBright orange Flex-Floss synthetic strands, glossy thin flexible fibers for fly tying, bundled ribbon-likeBright magenta synthetic Flex-Floss strands, thin flexible tubular fly tying material with glossy textureBright red Spirit River Flex-Floss: thin flexible synthetic strands with glossy translucent finish for fly tyingTangled translucent pearlescent white Flex-Floss strands, thin synthetic nylon fly tying materialBright chartreuse-yellow synthetic Flex-Floss strands, thin flat translucent shimmer ribbon for fly tying
Spirit River

Spirit River Flex-Floss

$3.49
Color: Black #001
  • Black #001
  • Blue #096
  • Brown #002
  • Brown Olive #037
  • Chartreuse #093
  • Fuchsia #143
  • Grey #063
  • Insect Green #043
  • Light Olive #036
  • Olive #030 (Sold Out)
  • Orange #090
  • Purple #091
  • Red #095 (Sold Out)
  • White #027 (Sold Out)
  • Yellow #075
Stock:
In stock (4 units), ready to be shipped

100% Satisfaction Guaranteed

We stand behind everything we sell. If you're not satisfied with your purchase, you can return it for a replacement or refund, with a few exceptions, within 30 days of the purchase date.

See our full return policy for details and exclusions.

Description

Spirit River Flex Floss is a stretchy silicon-based rubber leg. It will not rot in your fly box like traditional rubber legs will. It offers great durability and tons of wiggle action.

Uses

Patterns and Tying Techniques - You can use Spirit River Flex Floss on any pattern that calls for rubber legs. It can also be used to wrap bodies on midge pupa and nymphs. It is a great choice for antennae on both dry flies and nymphs.

Comparisons

Spirit River Flex Floss vs Hareline Round Rubber Legs - Flex Floss is flat and made from silicon. Hareline Round Rubber Legs are round and made of rubber. Flex Floss will hold up better to fish teeth and will not rot in your fly box.

Example Flies

Flex Floss is the perfect material to tie the Span Juan Worm. It can also be used in Pat's Rubber Legs. It is a good material for legs on saltwater flies like Gotchas.

Pack Size and Physical Description

Approximate Dimensions - Spirit River Flex Floss is 8 inches long.

Pack Size - 100+ strands per pack.

**These sizes and dimensions may vary based on manufacturer changes**

Overall rating: 3.6666667 / 5 from 3 reviews.

AI Generated Review Summary

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Review highlights

Reviews

Didn't have the curling issue mentioned

"Mine were straight and as good of quality as I could expect from Spirit River Flex-Floss."

— Aaron (5/5)

Disappointed

"I’ve been using flex floss mainly to tie my pats rubber legs for years. I’ve always loved this product for how straight the legs are which not only makes tying easier but makes for excellent looking flies. This year I’ve been stocking up on this product from a few different retailers and every package I’ve received has been so curled up the product is practically unusable for what I buy it for. I don’t understand why so many fly tying products have either been discontinued or just dropped in quality. It’s quite frustrating."

— Ketchum R. (1/5)

Review

"Great product, prefer the flat shape to the round - gives more action to the fly."

— Mike (5/5)

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