PROBLEM TO BE SOLVED: To provide: a shield exterior and a wire harness capable of achieving weight reduction and facilitated processing while preventing deterioration in shield performance; and a method for manufacturing a shield exterior and a wire harness, capable of achieving weight reduction and facilitated processing and preventing deterioration in producibility, while preventing deterioration in shield performance.SOLUTION: A shield exterior 130 includes a resin-made protective tube 110 and a conductive nonwoven fabric 120 arranged in the protective tube 110 and plated with metal. The conductive nonwoven fabric 120 covers the whole circumference of an electric wire 140 wired at the inside thereof while having a lap portion 121 where the conductive nonwoven fabric 120 overlaps.
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