| 摘要 |
PROBLEM TO BE SOLVED: To make a sack easily fit on the back, shoulders, and the waist of a user to enable the user easily movable and wetting and getting stuffy by seat are suppressed for comfortable using. SOLUTION: A bag shape container part 30, shoulder belts 22 attached on the container part 30 and abutting on shoulders of a user, and a pad 28 attached on the shoulder belts 22 are equipped on this sack. One end part of the pad 28 is positioned adjacent to the container part 30 without directly being sewed to the container part 30 positioned slightly separate via the shoulder belts 22. The end part is in a semicircle or a shape with rounded corner parts, at least each corner part is formed in a curved face.
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