Bison Fiber, From Source to Cloth
Bison fiber is one of North America’s rarest natural fibers - warm, resilient, and often misunderstood. What you feel in our garments begins long before the mill.
What Is Bison Fiber
Bison carry a dense winter undercoat beneath a coarse outer layer of guard hair.
It is this undercoat - fine, soft, and insulating - that can be spun into yarn and woven into cloth when properly shorn and processed.
Comparable in warmth to cashmere, but more durable in structure, bison fiber has historically been underutilized due to the difficulty of harvesting and processing it correctly.
Why It’s Rare
Unlike sheep, bison are not fiber animals.
The fiber exists as a byproduct of the American bison harvest, and only a small portion of each animal yields usable undercoat.
Supply is limited by geography, by season, and by the animals themselves.
Like fine wine, it is defined by its source.
Why Most Bison Fiber Falls Short
Most bison fiber on the market is collected, not curated.
It is often removed without regard for staple length, contamination, or consistency, and rarely handled through professional shearing systems.
Without proper shearing and separation of guard hair from undercoat, the result is coarse, inconsistent, and difficult to work with.
The fiber itself is not the limitation, the handling is.
Our Approach
We developed a different system.
Each step - shearing, sorting, scouring, dehairing, spinning, and weaving - is intentional.
The fiber we use is:
Source verified
Professionally shorn to preserve staple length and integrity
Scoured and dehaired to specification
Manufactured in American mills
This is not commodity fiber.
It is a controlled material, handled with the same discipline as the finest natural textiles.
1. Harvest
Fiber is recovered as part of the American bison harvest.
5. Dehairing
Fine undercoat is separated from guard hair.
From Source to Cloth
Every step is traceable. Every step matters.
6. Spinning
The fiber is spun into yarn at American mills.
2. Shearing
The hide is professionally shorn to preserve fiber length and quality.
3. Sorting
Usable fiber is separated from debris and coarse material.
7. Weaving
Yarn is woven into cloth with structure and weight.
4. Scouring
The fiber is cleaned to remove natural oils and contaminants.
8. Garment Construction
Final garments are cut and sewn with longevity in mind.
Why It Matters
Great textiles don’t begin in the mill.
They begin at the source.
By treating bison fiber as a material worth understanding—not just using—we are building something that will last.
Fewer garments. Better ones. Made with intention.
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