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Way Better Materials
for a Way Better World

We are a 21st century company on a quest to apply a biological process as old as existence itself: the evolution and transformation of our world into something better.

Inspired by nature. Devoted to science.


A high performance textile, spun from the same proteins as a spider’s web, and created using biology, fermentation, and traditional textile production.

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A revolutionary material that looks, feels, and behaves like hand-crafted leather. Made from mycelium, the root structure of mushrooms.

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20% of global water pollution results from the textile industry.

Our materials will deliver advanced performance and be produced with less waste and fewer natural resources than conventional materials.


  • Petroleum-based polymers
  • Toxic processes
  • Non-biodegradable materials


  • Renewable inputs
  • Closed-loop production
  • Biodegradable fabrics

Who we are

We are a team of scientists, engineers, and apparel experts who are developing the next generation of materials from our company home in Emeryville, California.

About Us


Bolt Threads
5858 Horton St, Suite 400
Emeryville, CA 94608

(415) 325-5912
Disclaimer: We know learning about the potential biomaterials can inspire a wealth of ideas and we love your creativity. Before you send us your awesome ideas, please know that we don't want to accidentally come up with an idea similar to yours, so any concept you email us will become the property of Bolt Threads Inc.

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