| abstract |
Pillow 1 according to the present invention includes a main body 3 having a concave portion 7 in the central part, and a cold insulator 5 mounted in the concave portion 7. This concave portion 7 is open in the central part of the main body side wall 8 on the side where the human nape is to be situated. The cold insulator 5 has a film for inclusion 11, and a gel material 9 which is internally included in the film for inclusion 11 and which includes a crosslinked polymer that is not in a swelled state with a medium. It is preferred that the gel material 9 includes an unfoamed polyurethane resin, and has an Asker F hardness of 10 or greater and 50 or less. Also, depth of the opening of the concave portion 7 that is open at the main body side wall 8 is preferably equal to or greater than one third of the height of this main body side wall 8. This pillow 1 is constituted so that the head region can be held with a shape fitting the shape of the neck and head, therefore, any strain is not imposed to the body. |