When sourcing camp wardrobes, prioritize high-density Oxford fabric (600D or higher) for the cover to ensure tear resistance and water repellency. The internal frame should ideally be made of powder-coated steel tubing or reinforced aluminum with a diameter of at least 16mm to prevent buckling under weight. Additionally, ensure the connectors are made of high-strength PP (polypropylene) or ABS plastic, as these are less prone to cracking in extreme temperatures compared to standard recycled plastics.