With $40 Million in Funding, This Startup Wants to Make Clothes From Lab-Grown Spiderwebs How Silicon Valley.

By Laura Entis

Opinions expressed by Entrepreneur contributors are their own.

Bolt Threads, a six-year-old startup founded by three PhD scientists, emerged from stealth mode today, equipped with $40 million in venture funding to genetically engineer and mass produce the material found in spiderwebs in order to make clothing.

On the surface, the concept sounds like it came from an Onion article (the spiderweb-like material will be grown in vats of yeast, according to Forbes). But a number of notable VCs are betting that, while the idea may read like science fiction, its applications are distinctly real-world.

Image credit: Bolt Threads

Related: Game Changer: The First 3-D Printed House Is Coming

Having previously raised a secretive $7.7 million in Series A funding, Bolt Threads is fresh off of a $32.3 million Series B round. The round was co-led by Foundation Capital and Formation 8 with participation from Peter Thiel's Founders Fund.

Bolt Threads is far from the only company trying to hack an established industry by genetically-engineering a potentially cheaper and more sustainable solution. Just look at the world of "fake meat" a niche that, over the past couple of years, has grown increasingly hot as startups like Impossible Foods and Beyond Meat compete to create lab-grown patties or manufacture meat from soy that tastes like the real thing.

Like these food startups, Bolt Threads believes it has found a superior alternative to a commodity -- in this case, the silk-based clothing so many of us wear on a daily basis. "Our fabrics will provide more lightweight comfort and breathability—and be more sustainable—than the world's most beloved fabrics like cotton, wool and traditional silk," its website reads.

Image credit: Bolt Threads

Related: This Women's Shopping Service Brings the Stylist to Your Door

Spider silk is known for its strength, elasticity and softness, but has yet to be produced at scale. "The company's first application employs gene sequencing technologies to replicate spider silk production at a commercial scale," Jim Kim and Tanguy Chau, members at Formation 8, explained in a post. Essentially, Bolt Threads has isolated the characteristics that make spider silk soft yet strong, and have manipulated bacterial genetic code in order to produce similar material.

According to Forbes, Bolt Threads will use the majority of its Series B funding to kick-start mass production and begin selling to consumers, either directly or through an established clothing brand.

Image credit: Bolt Threads

Related: Zenefits, a 2-Year-Old Startup, Is Now Valued at $4.5 Billion

Laura Entis is a reporter for Fortune.com's Venture section.

Want to be an Entrepreneur Leadership Network contributor? Apply now to join.

Productivity

6 Habits That Help Successful People Maximize Their Time

There aren't enough hours in the day, but these tips will make them feel slightly more productive.

Business Solutions

The Easy Way to Make Managing Your Rental Property Stress Free is Just $39

Handle guest messages, calendars, and pricing from one dashboard.

Diversity

3 Lessons Entrepreneurs Can Learn from Frederick Douglass About Leading in Challenging Times

Navigating a business can have its ups and downs. Whether you've navigated a tricky quarterly earnings report or had to hire and fire staff during a difficult time for the business, you know that being a leader in times of stress, uncertainty, and difficulty can make you a stronger leader overall.

Side Hustle

She Spent Her Honeymoon Working on a Side Hustle. It Raised $35 Million and Counts Celebrities Among Its Investors.

Blake Geffen, founder of luxury accessory rental company Vivrelle, "skipped the bellinis" in the Maldives — and got to work on her company instead.

Business Ideas

70 Small Business Ideas to Start in 2025

We put together a list of the best, most profitable small business ideas for entrepreneurs to pursue in 2025.