Our Technology

Fine Mycelium™

A breakthrough in materials science and biotechnology.

Exclusive to MycoWorks, Fine Mycelium™ is a patented technology to grow a new category of materials used in the fashion, footwear, automotive, and decor industries. The proprietary process engineers mycelium cells during their growth to form proprietary, interlocking cellular structures for unparalleled strength, durability, and performance.

Learn more about Fine Mycelium™

Our Pioneer Material


A new class of premium, natural material.

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 finishes:

Reishi™ Pebble
Round, full-bodied, luxury sheets that highlight a classic pebble texture.

Reishi™ Mycelial
Firm, detailed, full-bodied sheets featuring mycelium’s natural expression.

Reishi™ Doux
Smooth, subtle, and understated sheets. Reishi™ Doux’s refined aesthetic subtly reveals Fine Mycelium™ ‘s growth pattern.

Explore each finish


Touch Reishi™ and learn our story.
Shop The Reishi™ Book

An Exclusive Collaboration with Hermès


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

An exclusive collaboration by Hermès and MycoWorks from a shared vision for growing the future of materials and a quest to unlock new design possibilities.

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

Read more about our partnership.



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