Keel Labs develops Kelsun™ fiber, a sustainable material derived from seaweed biopolymers, aimed at reducing reliance on fossil fuel-based textiles. This innovation addresses the environmental impact of traditional materials by providing a renewable alternative that supports a circular economy.
Funding
$17.8M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.

CFFounders
Product
Problem
The fashion industry's reliance on conventional textiles, particularly those derived from fossil fuels, contributes significantly to environmental pollution and resource depletion. Traditional textile production methods often involve harmful chemicals, intensive water usage, and unsustainable land practices.
Solution
Keel Labs offers Kelsun™ fiber, a sustainable textile alternative derived from seaweed biopolymers. This innovative material aims to reduce the fashion industry's dependence on environmentally damaging resources by providing a renewable and biodegradable option. Kelsun™ fiber supports a circular economy by utilizing a readily available marine resource and minimizing waste. The fiber is designed to meet the performance and aesthetic requirements of various textile applications while significantly lowering the environmental footprint compared to conventional materials.
Target Audience
The primary target audience includes fashion brands, textile manufacturers, and designers seeking sustainable and environmentally responsible material options.
Features
- Made from sustainably harvested seaweed biopolymers
- Designed as a direct replacement for conventional textile fibers like cotton and synthetics
- Biodegradable and compostable at end-of-life
- Closed-loop manufacturing process minimizes waste and water usage
- Customizable fiber properties for diverse textile applications (e.g., apparel, home goods)