PROBLEM TO BE SOLVED: To provide a warming device having such a structure that a mask body can be fitted properly to the periphery of eyes of a face, regardless of a user's face size.SOLUTION: A warming device 100 includes a mask body 10 for covering both eyes, a heating element provided on the mask body 10, an installation part for installing the mask body 10 on a head, and an extension structure part 40 for heightening extensibility in a width direction of a center part in a vertical direction of the mask body 10 furthermore than extensibility in the width direction of an upper part and a lower part of the mask body 10.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2018,JPO&INPIT【課題】使用者の顔サイズにかかわらずマスク本体が顔の目周りに対して適度にフィットしやすい構造の温熱具を提供する。【解決手段】温熱具１００は、両目を覆うマスク本体１０と、マスク本体１０に設けられた発熱体と、マスク本体１０を頭に装着するための装着部と、マスク本体１０の上下方向における中央部の横幅方向における伸展性を、マスク本体１０の上部及び下部の横幅方向における伸展性よりも高くする伸展構造部４０と、を備える。【選択図】図３
