Knit shoes with elastic region

This is a shoe with an upper made from a single piece of knit fabric. It features an extra stretchy area around the foot opening that helps secure the shoe to your foot. This stretchy part also causes the sole to curve when the shoe is unworn, flattening out when a foot is inside. The claims narrow this to a version where a heel lining extends around the opening and along the outside of the upper.

Why it matters: Since 2019, advancements in automated 3D knitting technology and textile design software have made it easier to precisely engineer complex knit structures with varying elasticities in a single piece. This could simplify manufacturing the specific upper described.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: ModerateCustom knit textile, shoe assembly

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