When consumers think about sustainable apparel, they tend to focus on the obvious: recycled polyester , organic cotton, maybe a recognizable certification logo stitched onto the tag. But technical outerwear is built from far more than fabric alone. A technical ski jacket is more complicated than it looks. Beyond the shell fabric are waterproof membranes, adhesives, trims, zippers, cords and heat-transfer labels sourced from different suppliers, each with its own chemical and manufacturing considerations. Building one responsibly means managing all of those decisions, not just the visible ones. For Swedish outerwear brand Ridestore, that complexity became the starting point. Working within the Bluesign system, Ridestore set out to build its Spartan jacket with oversight extending far beyond the shell fabric itself.…