The present invention is possible to obtain a gentle extra insulation to the body in a simple configuration, it can be easily worn without being shifted, and to provide an upper body warmth device that can be worn without discomfort at bedtime. A heat insulation device 10 for the upper body, the cloth-like body member 11 pressed against the front of the upper body, covering at least the upper body of the front of the chest area and the chest along with the provided on the inside surface of the cloth-like body member 11 It provided with a chest for warmth member 12 to warm the area, a body attachment member 13 removably attaching the cloth-like body member 11 provided on the cloth-like body member 11 to the upper body and. Chest for warmth member 12, I have been able to freely accommodated taken out storage pouch 16A, in the chest thermal insulation member within the storage bag 16 made from 16B. .BACKGROUND 2【課題】簡単な構成で身体に優しい保温力を得ることができると共に、ずれることなく容易に着用することができ、かつ就寝時にも違和感なく着用できる上半身用保温具を提供する。【解決手段】上半身用保温具10は、上半身の前面に押し当てられる布状本体部材11と、この布状本体部材11の内側面に設けられると共に少なくとも上半身の前面の胸部領域を覆いかつ当該胸部領域を保温する胸部用保温部材12と、布状本体部材11に設けられ当該布状本体部材11を上半身に着脱自在に取り付ける本体取り付け部材13と、を備える。胸部用保温部材12を、収納小袋16A,16Bからなる胸部保温部材収納袋16内に取り出し自在に収納できるようになっている。【選択図】図2
