# FreyZein®

> FreyZein® is an Austrian material science company developing natural, petrochemical-free performance textiles. Its cellulose-based membrane technology (S9, SX) adds windproof, water-repellent, and breathable performance to natural fabrics for brands and manufacturers building the next generation of sustainable apparel.

FreyZein® is headquartered in Graz, Austria. Its technology is 100% cellulose-based and PFAS-free, designed to integrate into existing textile lamination and manufacturing processes. FreyZein operates as an ingredient brand ("Powered by FreyZein®"), supplying membrane technology to apparel brands and textile manufacturers rather than selling finished garments directly.

## Products & Technology

- [Products](https://www.freyzein.com/products): FreyZein® S9 and SX — windproof, water-repellent, extremely breathable natural performance fabric platforms, available in 2- and 3-layer construction, 100% cellulose, PFAS-free.
- [Technology](https://www.freyzein.com/technology): How FreyZein®'s cellulose membrane technology works, its R&D projects, and how it integrates into partner supply chains.
- [Bi-Circular® / Sustainability](https://www.freyzein.com/sustainability): FreyZein®'s Bi-Circular® Principle — a standard requiring materials to be both recyclable and biodegradable.

## Company

- [About](https://www.freyzein.com/about): FreyZein®'s origin story, founding team, and Graz/Dornbirn locations.
- [News](https://www.freyzein.com/news): Company news, industry awards, and partnership announcements.
- [Contact](https://www.freyzein.com/contact): For brand and manufacturer partnership inquiries.
- [Investor](https://www.freyzein.com/investor): Information for investors, including the company's current funding round.