PROBLEM TO BE SOLVED: To provide a trunk outfit capable of easily and securely adjusting pressing (correcting) force applied to a trunk.SOLUTION: A trunk outfit includes: an outfit body 1 having an approximately C-shaped cross-section, which has opening end parts 7 and 8 sandwiching an opening groove 6 extending in the vertical direction a regulating member 18 arranged along the inside of the outfit body and a band-like member 19 extending from the inside toward the outside of the outfit body so as to be folded back at a tip end of an opening end part. In the band-like member, an inside portion 20 arranged in the inside of the outfit body is fixed to the outfit body through or not through the regulating member, an outside portion 21 arranged on the outside of the outfit body is fastened to a fastened part 22 provided on the outside of the outfit body, and a fastening position of the outside portion to the fastened part can be changed along the longitudinal direction of the band-like member. A tension state of the inside part is changed according to the change in the fastening position, and the regulating member fixed to the outfit body or the inside portion is urged by the inside portion in the tension state so as to be spaced from the outfit body.COPYRIGHT: (C)2014,JPO&INPIT【課題】体幹に加える押圧(矯正)力の調整を簡便かつ確実に行うことができる体幹装具を提供すること。【解決手段】上下方向に延びる開放溝6を挟む開放端部7,8を有する横断面略C字状の装具本体1と、装具本体の内側に沿うように配置された規制部材18と、開放端部の先端で折り返すように装具本体の内側から外側に向かって延びる帯状部材19とを具備し、帯状部材において装具本体の内側に位置する内側部位20は、装具本体に対して規制部材を介してまたは介さずに固定され、帯状部材において装具本体の外側に位置する外側部位21は、装具本体の外側に設けられた被係止部22に係止し、被係止部に対する外側部位の係止位置を帯状部材の長手方向に変更可能としてあり、係止位置の変更に伴って内側部位の緊張状態が変わり、装具本体または内側部位に固定された規制部材は、緊張した内側部位によって装具本体から離間するように付勢される。【選択図】図1