Provided is a fiber structure that includes an elastic yarn comprising a polyurethane that uses a polymer diol and a diisocyanate as starting materials, and contains at least one alkyl diphenyl ether-based compound, and thus has excellent odor eliminating properties with respect to ammonia, acetic acid and the like, which are the primary components of sweat and body odor.本發明提供一種纖維構造物,其藉由包含由以聚合物二醇及二異氰酸酯為起始物之聚胺基甲酸酯所形成的彈性絲,且包含至少一種烷基二苯基醚系化合物,而對於汗臭、老人臭(aging odor)的主要成分之氨、乙酸等有優良的除臭性。