On a chilly afternoon in February, Logan McGrath and Mack Fritz were preparing to shoot a video advertising the green Austrian army fatigue shirts they were selling on Americana Pipedream Apparel, the online military surplus store Mr. McGrath started out of his parents’ basement in Appleton, Wis., three years ago. Tall laundry bins held hundreds of American military canteens and current-issue British camouflage uniforms and equipment. They collected Greek camouflage jackets, West German military patches and packages of vanilla poundcakes from American military rations, assembling them for orders. In the back of the warehouse, they sorted through pallets of surplus that had arrived from as far as Indonesia and Pakistan, including about 1,500 grayish-green Austrian KAZ-75 field shirts. Nearby Mr. McGrath and Mr. Fritz, both 21, worked on a video to market the shirts on their popular Instagram page.

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Persons: Logan McGrath, Mack Fritz, McGrath, Post Malone, McGrath’s, Austrian KAZ, Fritz Organizations: Pipedream Apparel Locations: Appleton , Wis, German, Indonesia, Pakistan, Austrian