Is Yu Shuai 14 different in size and as big as a shoe box?

It's different. Yu Shuai 14 shoes are designed with a double upper, and the outermost layer of the upper is made of mono yarn, which is the upper material used by Li Ning's top running shoes. Different sizes of Yu Shuai 14 make different shoe boxes. It can not only ensure light weight, good air permeability, but also improve protection. Hot-melt reinforcement is carried out in the frequently stressed area to ensure its durability.