Patent ID: 11944160
Assignee: KINGSLAND SHOE PROJECT, LLC
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC A | IPC A

Claim 0:
1. A single-piece footwear insert, comprising:
a grip portion, wherein the grip portion includes an opening, wherein the grip portion is a highest level of the footwear insert;
outer and inner slopes that extend from the grip portion, wherein the outer and inner slopes are opposite edges of the footwear insert that extend in a gradual downward direction from the grip portion, and wherein the outer and inner slopes are positioned at a lower height to the grip portion;
outer and inner support sides that respectively extend from the outer and inner slope, wherein the outer and inner support sides are edges of the footwear insert that gradually meet in a concentric configuration so that the outer and inner support sides at least partially engage with an interior of a piece of footwear in which the footwear insert is placed, and wherein the outer and inner support sides form a different plane relative to the outer and inner slopes; and
at least one airflow hole on a surface of the footwear insert, at least in between the outer and inner support sides,
wherein the footwear insert is a single unitary layer of material on which is the grip portion, outer and inner slopes, and outer and inner support sides, and
wherein the at least one airflow hole is exposed and unobstructed on the single unitary layer's bottom surface and the footwear insert in general such that the at least one airflow hole is observable from the footwear insert's bottom side.