Article of footwear having an upper with a matrix layer

This invention describes a method for making a shoe upper using two distinct polymer mesh-like structures. These structures are designed with openings or engagement points at their ends. The manufacturing process involves forming these two polymer pieces and then connecting their ends, either by lacing them together with a cord or by attaching an intermediate piece between them.

Why it matters: Since 2017, advancements in 3D printing and additive manufacturing for flexible polymers have made creating intricate, custom polymer matrix structures with integrated features more feasible and cost-effective, simplifying the manufacturing method described.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: ModerateCustom polymer matrix structures, lacing

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