Our Technology

Fine Mycelium™

A breakthrough in materials science and biotechnology.

Exclusive to MycoWorks, the Fine Mycelium™ process engineers mycelium cells during their growth to form proprietary, interlocking cellular structures for unparalleled strength, durability and performance. Our proprietary platform has enabled a new category of premium, non-animal materials that are the next evolution in mycelium.

Learn more about Fine Mycelium™

Reishi™ is our flagship product


This is not leather. This is Made with Reishi™.

Our flagship product, Reishi™ is a new class of premium, natural material made from our proprietary Fine Mycelium™ technology. Reishi™ features the inherent strength, durability and hand-feel of the finest animal leathers with lower environmental impact. Grown in our California facilities, Reishi™ is tanned and finished by our heritage tannery partners in Europe using MycoWorks’ own proprietary chrome-free tanning and dying technologies.



Reishi™ is available in the following styles:

A Fine Mycelium™ material with a delicate pebble grain and luxurious sheen.

A high performance Fine Mycelium™ material in a warm, golden finish and natural grain.

REISHI™ Natural
Our original Fine MyceliumTM material in a warm, golden finish and natural grain.

A Historic Partnership with Hermès


Victoria bag in Sylvania made out of Fine Mycelium, H Plume Canvas and Evercalf Calfskin.

An exclusive collaboration by Hermès and MycoWorks, and the first object made with Fine Mycelium, the patented technology from MycoWorks that enhances mycelium as it grows.

The new material, Sylvania, a hybrid of nature and biotechnology, is the exemplar of a new generation of biotech materials.

Read more about our partnership.



For inquiries in purchasing Reishi™ or Fine Mycelium™, please use contact form below.