Expanding the Range of Weatherproof Innovation
As the outdoor market evolves, so do the expectations around material performance, sustainability, and versatility. Today’s consumers and brands are looking for more than just protection—they want PFAS-free technologies that are high tech and super comfortable, ultra lightweight, highly breathable, and built for movement, without sacrificing durability or reliability. In response to this evolution in performance apparel, eVent Fabrics and ITTTAI have deepened their collaboration to develop a new generation of weatherproof solutions that rise to meet these demands. Together, we’re expanding our range to support modern outdoor and active lifestyle brands that reflect the values and ambitions of the next generation.
Meet stormburstLT
Our partnership with ITTTAI to develop stormburstLT combines cutting-edge engineering with real-world performance, delivering a truly unique solution in weatherproof fabrics. This ultralight membrane—just 5 microns thick and PFAS-free—provides exceptional breathability, ideal for high-exertion activities. Available in both lightweight woven and knit constructions, with stretch options, it offers unprecedented freedom of movement without compromising on weather resistance. Targeted for trail running, cycling, Nordic skiing, fastpacking, alpine wear, and even urban/fashion applications, stormburstLT is designed to be light-as-air, packable, and versatile—perfect for anyone looking to defy the elements across diverse adventures and environments.


The Power of Partnership
At eVent Fabrics, innovation thrives through collaboration. Our long-standing partnership with ITTTAI—a global leader in advanced lamination—brings together two forces united by a commitment to performance, sustainability, and agile development. By combining eVent’s extraordinary membrane technologies with ITTTAI’s precision lamination and textile expertise, we’re able to deliver best-in-class breathable waterproof, weatherproof, and windproof laminates that perform in the most demanding environments. This synergy enables us to respond quickly to brand needs, push boundaries in sustainable design, and co-create high-performance solutions that elevate the possibilities in technical apparel.
Built for Performance and the Planet
eVent stormburstLT represents an advancement in sustainable fabric innovation, developed with a strong commitment to minimizing environmental impact. This next-generation laminate technology is completely PFAS-free, reflecting eVent and ITTTAI’s dedication to responsible manufacturing practices that protect both people and the planet. Beyond its environmental credentials, stormburstLT excels in performance. Designed for high-aerobic activities such as running, cycling, and hiking, it delivers exceptional breathability and moisture vapor transfer rate, ensuring comfort during intense exertion. The laminate’s windproof capabilities provide reliable protection against the elements, while its lightweight and packable nature makes it ideal for fast-and-light adventures and urban commuting (Defy the Elements With eVent Fabrics – Suston Magazine).

Conclusion: Collaboration That Delivers
The launch of stormburstLT represents the best of what happens when innovation and partnership come together. Engineered for lightweight, breathable, and weatherproof performance, stormburstLT is a versatile solution designed to meet the needs of modern adventurers and active consumers alike. With a focus on comfort, packability, and sustainability, this laminate technology pushes the limits of what’s possible in next-generation outerwear.
Ready to discover stormburstLT? Contact us or visit eVent stormburstLT.