PROBLEM TO BE SOLVED: To provide a fiber product having excellent antibacterial-antifungal properties with washing durability by ZPT, and a method for producing the same.SOLUTION: Provided is a fiber product using a polyamide fiber 3 including ZPT2 as an antibacterial-antifungal agent and tannin 4 in a fiber, and, provided that the containing ratio (based on weight) to the fiber weight of the ZPT2 under no-cleaning is defined as 1, the containing ratio to the fiber weight of the ZPT2 after 10 times of house cleaning (in accordance with JIS L0217-103) at 40°C is set to 0.2 or higher.
