An upper includes an upper main body that covers an instep of a foot. The upper main body includes: a first portion including a plurality of linear bodies and formed by one layer; and a bag-shaped second portion formed by two layers in which some of the plurality of linear bodies constituting the first portion serve as one layer and the rest of the plurality of linear bodies serves as another layer. Inside the second portion, a cushioning material is put. The second portion protrudes toward a foot of a wearer with respect to the first portion.