Heatlock recycled polyester

Aerogel HeatLock Insulation Supply: Space-Grade Thin Fills for Extreme SportswearFor extreme sportswear brands looking to permanently eliminate the bulk of traditional puffer jackets, our wholesale Aerogel HeatLock™ insulation represents the absolute pinnacle of textile engineering. This revolutionary technology infuses ultra-fine silica aerogel particles—the lightest solid known to science—into high-performance polyester fibers. Engineered for technical jacket manufacturing and outerwear product design, HeatLock™ Aero wadding provides an impenetrable thermal barrier at a fraction of the thickness, delivering superior compression resilience and active sweat management. Sourcing this ultra-thin, aerospace-grade thermal layer for garment assembly allows apparel engineers to design sleek, streamlined jackets tailored for high-altitude mountaineering and extreme skiing where every millimeter counts