Yan Ling initially hoped for a wider variety of shoe styles to choose from, but considering Yan Yan's current work situation, ensuring that one pair of shoes she was satisfied with per year, shoes that felt "as comfortable as wearing nothing at all," was already quite an achievement.
Moreover, Yan Yan's design was cleverly devised, with an all-in-one approach that seemed to aim for a permanent solution.
Yan Yan designed a shoe style and indicated that Y·Y would only produce one style per year, with "unperceivable wearing" as the key selling point.
The shoe's upper had a two-millimeter indent; since it was a solid color, it wasn't very noticeable visually at first glance.
The edges of the indent featured two rows of hidden eyelets.
Such a design was unusual in that the outermost layer of the shoe's upper was insertable and could be changed at will.
Next to the shoe design drafts, Yan Yan also drew a separate design for the upper.
