The present invention includes a hypothermia protection garment including a reversibly closable upper body portion for substantially covering the upper body of an individual, the upper body portion including a torso portion capable of substantially covering the torso of the individual, two sleeve portions capable of substantially covering the arms and optionally the hands of the individual and a hood portion capable of substantially covering the head of an individual, the hood portion includes a face aperture or opening for exposing a portion of the face of the individual. The upper body portion has a heat reflective inner surface and a heat positioning structure for positioning a dry active heating means. The garment may also include one or more medical access apertures capable of exposing a region of the individual for the application of a medical device or a medical procedure without substantial removal of the garment.