Patent ID: 11957201
Assignee: NIKE, INC.
Field: Other consumer goods (Other fields)
Classification: CPC A  D | IPC A  D

Claim 0:
1. An article of footwear, comprising:
a forefoot portion having a top layer and a bottom layer, a void being formed between the top layer and the bottom layer;
a heel portion secured to the bottom layer of the forefoot portion and indirectly secured to the top layer through the bottom layer of the forefoot portion, the heel portion forming a first portion of a collar, wherein the heel portion comprises a medial heel side, a lateral heel side, and a rear portion between the medial heel side and the lateral heel side, wherein at least one of the medial heel side and the lateral heel side include a convex area on an inner surface of the heel portion; and
at least one extension extending from the heel portion, the at least one extension forming a second portion of the collar and being secured to an edge of the top layer of the forefoot portion.