ESA Spark x FreyZein
Together with the Austrian division of the European Space Agency (ESA) , FreyZein® developed a jacket that marries space-inspired technology with sustainable design, introducing TerraDown™: An aerocellulose-based nonwoven that could change the future of outerwear.
At the heart of the material is aerocellulose, an ingredient reminiscent of aerogels long used in spacecraft for thermal insulation. By incorporating aerocellulose, TerraDown™ manages to deliver impressive warmth without bulk. Unlike conventional down or synthetic fills, TerraDown™ is petrochemical-free, antibacterial, and vegan. Lightweight yet high-performing, its monomaterial structure is designed for circularity and eco-friendly production. However, the ESA Spark Jacket is more than its insulation - Its design details nod to the functional minimalism of space suits:
Adjustable cuffs with thumb holes and stretch cuffs ensure a snug fit that locks in heat, just as astronaut suits prioritize mobility and protection.
A D-ring detail on the chest recalls tethering points on space suits, reimagined here as a practical tool for everyday carry.
Invisible magnetic closures offer sleek functionality, echoing spacecraft engineering where efficiency is paramount.
A drawstring hood brings adaptability, much like the modular components of exploration gear.
Spacious flap and zipper pockets reflect the utility of astronaut suits, offering secure storage for tools, gear, or essentials.
The result is a garment that is futuristic yet wearable—engineered for adventure on Earth, but with one eye on the stars.
Even the color palette carries symbolic weight: Available in cosmic blue and sandy beige, the jacket nods to the night sky, Earth seen from orbit, and the dusty terrains of the Moon and Mars. Reflective details add a star-like shimmer, echoing the safety features of astronaut suits. Finally, applications go beyond jackets: From accessories to outdoor gear and even home textiles, TerraDown™ opens the door to a new era of sustainable insulation.
The collaboration between FreyZein and ESA Austria is more than a design story—it’s a blueprint for the future of sustainable, high-performance clothing. By combining space-grade innovation with earth-conscious responsibility, the TerraDown™ jacket points to a new model of how fashion and technology can intersect.
While TerraDown™ is not yet available to consumers, FreyZein is laying the groundwork for the future by welcoming collaborations with partners ready to push the boundaries of material science and sustainable design. It’s a reminder that what keeps astronauts safe in the vacuum of space can also keep us warm on a windswept ridge—and that innovation aimed at the stars can help protect the planet we call home.
