Meet an Unreasonable Venture

Keel Labs

Building next-generation sustainable materials derived from nature

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Employees 21–50

Headquarters Morrisville, North Carolina, United States

Keel Labs began in 2017 as AlgiKnit, creating ocean-focused materials built from renewable resources. In 2022, Keel Labs was established as a platform for innovation, broadening its vision for the potential of the ocean to accelerate the planet’s development towards a more sustainable future.

Driven by the exploration of novel resources from the ocean, Keel Labs functions as a hub for the next generation of climate-focused solutions derived from nature. The company works at the nexus of design, science, and engineering to create impact-driven materials that harness the power of the ocean. Kelsun yarn, Keel Labs’ flagship product, is a seaweed-based yarn with a significantly lower environmental footprint than conventional fibers.

Energy & Environment

Notable Achievements

Raised $18M to date from Major Investors including: Horizons Ventures, Collaborative Fund, H&M
Received over 500 unsolicited requests from brands around the world to work with Kelsun
Co-Founders listed as 2022 Forbes 30 Under 30

Currently Operating in Five Regions

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Press Mentions

January 3, 2025

Kelsun™ Fiber: Seaweed Reinvented

Keel Labs has innovatively developed Kelsun fiber from seaweed, transforming sustainable textile production. This breakthrough not only enhances eco-friendly practices but also positions Keel Labs...

Read on Textiles Review »

November 20, 2024

Best of Earth911 Podcast: Keel Labs' Tessa Gallagher Introduces Kelsun Kelp-Based Textiles

Keel Labs is revolutionizing the textile industry with Kelsun, a groundbreaking kelp-based fiber. Celebrating sustainability, this innovative company is transforming seaweed into eco-friendly...

Read on Republic of Green News »

November 18, 2024

Kelsun™ Fiber: Seaweed Reinvented

Keel Labs has successfully reinvented seaweed into Kelsun fiber, a groundbreaking sustainable textile. This innovative material not only promotes eco-friendliness but also showcases Keel Labs'...

Read on Textile World »

September 24, 2024

Outerknown Releases it's Iconic Blanket Shirt in a First-of-it's-kind Seaweed-based Fiber

Keel Labs celebrates a groundbreaking partnership with Outerknown, launching a revolutionary blanket shirt made from seaweed-based fiber. This innovative collaboration showcases Keel Labs'...

Read on Surf »

May 2, 2024

Keel Labs Collaborates with Mr. Bailey to Launch Innovative Starboard Vest

Keel Labs and Mr. Bailey collaborate on sustainable fashion with the Starboard Vest made from seaweed fiber. Their Kelsun Knit fabric debuts, showcasing advancements in fabric innovation. The...

Read on Breaking Latest News »

April 29, 2024

Keel Labs Mr. Bailey Starboard Vest Release Info

Keel Labs and Mr. Bailey collaborate on sustainable fashion with the Starboard Vest made from seaweed fiber. Their Kelsun Knit fabric debuts, showcasing advancements in fabric innovation. The...

Read on Hypebeast »