White fabric gleams under Long Beach lights. Vast’s new astronaut flight suit stands ready, a two-piece garment zipped for orbit or unzipped for Earth. Jacket and pants, tailored tight, boast back vents for breathability, shoulder gussets for reach, thigh pockets lined with Velcro for tools that float free in microgravity. No more scrounged cargo pants from Cabela’s. This is purpose-built wear for Haven-1, the startup’s single-module station targeting a 2027 launch aboard a SpaceX Falcon 9. Andrew Feustel, Vast’s lead astronaut with 226 days on the International Space Station, helped shape it. “Over the last two decades on the International Space Station, astronauts have moved away from wearing flight suits every day,” Feustel said. “The environment has become safer and more like how we work on Earth.” But safety margins tighten on commercial platforms. Mass counts. Volume squeezes. Every item flies or stays grounded. So Vast demands utility.…