| 摘要 |
A shoe is characterized by comprising a sole, an upper having a first opening and a second opening, and a shoelace means, wherein the upper is provided with a first side edge portion that has a plurality of first eyelets, a second side edge portion that has one or more second eyelets which are disposed between the plurality of first eyelets and which the shoelace means engages with, a movable portion that enables the second eyelet to move with respect to the first eyelet both in a lateral direction crossing the second opening and in an obliquely front-back direction orthogonal to the lateral direction and along the instep of a foot, and a main portion that covers the inner side surface, outer side surface, toe, instep, and back surface of the foot, includes the first side edge portion, and not includes the second side edge portion and the movable portion, and with the change of the direction of resultant force of first tensile force and second tensile force that act on the second side edge portion by a V-shaped portion of the shoelace means which engages with the second eyelet during a transition from foot flat to heel rise, the second eyelet is relatively displaced with respect to the main portion via the movable portion both in the lateral direction and in the obliquely front-back direction. |
