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— FINE
MYCELIUM™

An Advanced Materials Platform

The revolutionary Fine Mycelium process developed by MycoWorks is the result of more than two decades of research and innovation by our founding team.

A breakthrough in materials science and biotechnology, Fine Mycelium is an advanced manufacturing platform for high performance materials in fashion and footwear. Our proprietary technology has enabled a new class of premium, non-animal materials that are the next evolution in mycelium.

Mycelium is one of the earth’s most powerful agents of regeneration and carbon sequestration. These fine, root-like threads are grown on the byproducts of agriculture and lumber, transforming plant matter into their own biomass.

Unlike “mushroom leather,” which is compressed mycelium, our patented Fine Mycelium technology engineers mycelium during growth to create the proprietary, interlocking cellular structures that give our material its superior strength and durability.

Exclusive to MycoWorks, the Fine Mycelium process offers the unique advantage of total control over quality and customization. Fine Mycelium materials are custom-grown to our brand partners’ specifications for performance, aesthetic features and more. This gives brands creative control to design from the material on up, while minimizing waste and ensuring consistent quality. Actionable traceability of the Fine Mycelium process allows our experts to capture and apply data at defining moments during production, fully optimizing our products from initial growth to harvest.

Once growth is complete, Fine Mycelium sheets are harvested at our California facility, then tanned and finished using MycoWorks’ proprietary chemistries by traditional leather craftspeople with expertise in creating finished leathers to the highest standards in fashion. In partnership with these heritage artisans, we have leveraged generations of traditional leather tanning expertise adapted to Fine Mycelium’s signature grain and performance capabilities. Our patented process ensures we meet the highest performance standards for leather in fashion and footwear, and we are proud to have published third party testing on our material’s strength and durability.

Fine Mycelium is the proprietary technology behind our flagship, finished material Reishi™ and for exclusive, customized materials created in collaboration with brand partners. Offering unprecedented creative control over quality, performance and aesthetics, Fine Mycelium is a groundbreaking biomaterials platform that enables new design possibilities.

— FAQs

Discover Our Technology

What is mycelium?
Mycelium is one of the earth’s most powerful agents of regeneration and carbon sequestration. It refers to the fine network of threads that grow to form mushrooms; a useful analogy would be the roots and stem of a plant that eventually produces fruit. Mycelium grows abundantly nearly everywhere on earth, often found in soil and among forest beds.

What is Fine Mycelium™?
Fine Mycelium is a breakthrough in materials science and biotechnology that refers both to MycoWorks’ proprietary process and to the class of materials that are exclusive to MycoWorks.

The next evolution in mycelium, Fine Mycelium is an advanced platform for high performance materials in fashion and footwear. Our patented Fine Mycelium technology engineers mycelium during growth to create the proprietary, interlocking cellular structures that give our material its superior strength and durability. The Fine Mycelium process enables materials to be custom-grown to our brand partners’ specifications for performance, aesthetic features and more, giving brands total creative control to design from the material on up, finely tuning for applications and customizations. The traceability of the Fine Mycelium process captures data at every stage of growth, which our experts use to refine each sheet’s structure and appearance, shaping desired outcomes in less than six weeks and ensuring consistent, uncompromising quality.

Is Fine Mycelium “mushroom leather” or “vegan leather”?
Fine Mycelium is not “mushroom leather” or “vegan leather.” Rather, it is an entirely new class of premium, natural, non-animal material. 

“Vegan leather” typically refers to leather alternatives primarily made with petroleum-based plastics; Fine Mycelium is made from the natural, interwoven threads of mycelium, the root-like networks that grow to form mushrooms.

“Mushroom leather” is produced by allowing mycelium to grow naturally into layers of foam which are then compressed into a mat, retaining the foam’s fundamental composition. Fine Mycelium is a superior mycelium technology that is differentiated by the proprietary, interlocking cellular structures engineered during growth to enable the strength, durability and fullness of Fine Mycelium materials: the result of MycoWorks’ patented technology.

Fine Mycelium also offers unique advantages as a fully traceable, customizable technology. Materials can be finely tuned during growth for thickness, dimension, surface features and other performance qualities. The actionable traceability of the Fine Mycelium process captures data at every stage of growth, which our experts use to refine each sheet’s structure and appearance to rapidly shape desired outcomes. A breakthrough in materials science and biotechnology, Fine Mycelium offers designers and brands unprecedented control over consistent quality and creative possibilities in a premium, natural material.

What is Reishi™?
Our flagship product is Reishi, a premium, natural option made from MycoWorks’ proprietary Fine Mycelium technology. Reishi features the inherent strength, durability and performance of Fine Mycelium, with the revolutionary feature of customizability during growth to enable total creative control and new design possibilities.

Produced in our California facilities, Reishi is tanned and finished by our heritage tannery partner in Spain, Curtidos Badia using MycoWorks’ own proprietary tanning and dying technologies. Reishi is available in two finishes: Black Emboss and Smooth Natural in both Standard and High Strength editions. Visit our Reishi website and product page to learn more.

— REISHI™

The Next Evolution in Mycelium

Our flagship product is Reishi, a premium, natural option for fine leather made from MycoWorks’ proprietary Fine Mycelium technology.

Reishi features the inherent strength, durability and performance of Fine Mycelium, with the revolutionary feature of customizability during growth to enable total creative control and new design possibilities. 

Produced in our California facilities, Reishi is tanned and finished by our heritage tannery partner in Spain, Curtidos Badia. Badia draws on four generations of master craftsmanship in the centuries-old tradition of leather tanning to finish Reishi to the fashion industry’s highest standards for leather. Their innovative processes, dedication to waste reduction and quality over volume philosophy have set a new standard within the leather industry, and their expertise has been critical in shaping Reishi into the material it is today.

Reishi is available in two finishes: Black Emboss and Smooth Natural in both Standard and High Strength editions. We are proud to have published third party testing to prove that Reishi matches cowhide in strength and durability. To learn more and discover the heritage, partners and people behind Reishi, visit our Reishi website and product page.

— New
Possibilities

Grow the Future of Materials

MycoWorks is a biotechnology company founded by artists with the mission to create a platform for the highest quality materials using Fine Mycelium.

Drawing on over two decades of pioneering research and innovation by our creative founding team, MycoWorks’ proprietary Fine Mycelium platform has enabled a new class of premium, non-animal materials that are the next evolution in mycelium. We are using the tools of biotechnology, manufacturing excellence and creative, master craftsmanship to grow the future of materials.

A breakthrough in materials science and biotechnology, the Fine Mycelium process offers total control over customization and quality, setting a new industry standard for premium, engineerable biomaterials. Today, Fine Mycelium materials can be finely tuned for strength, appearance, fullness and other performance features for a range of applications in fashion and footwear. We are launching the world’s first products made with Fine Mycelium in partnership with brands that share our commitment to achieving uncompromising quality and aesthetics in the craft and technology of new materials.

On the horizon, our patented Fine Mycelium platform will create a broad field of new, high performance materials and unprecedented design possibilities. In preparation for commercial launches and to meet global demand for our materials, we are scaling up production with an integrated system for manufacturing excellence that will drive the process innovations to rapidly advance our novel biomanufacturing technology. Our pioneering research and development program leverages expertise in mycogenetics and agricultural biotechnologies, as well as heritage leather tanning techniques adapted to the unique composition and performance capabilities of Fine Mycelium.

MycoWorks’ technology was developed at the intersection of art, design and biotechnology, establishing the foundations for the culture of creative innovation and interdisciplinary learning that drive our pioneering work. We are proud to be the world leader in advanced mycelium materials and to have inspired a global movement to advance the science, technology and design capabilities of mycelium. Together with our partners, we are growing the future of materials with the technology of Fine Mycelium.