/Bladders, Footwear Uppers Including Bladders, And Articles Of Footwear Including Bladders In The Upper
Abstract

Footwear uppers and articles of footwear including such uppers include: (a) a first lateral lace-engaging component; (b) a first medial lace-engaging component; and (c) a bladder. The bladder includes: (i) a tongue and/or instep chamber having a first surface and a second surface opposite the first surface, (ii) a first heel and/or ankle support chamber, and (iii) a first fluid line placing the first heel and/or ankle support chamber in fluid communication with the tongue and/or instep chamber. A lace engages the first lateral lace-engaging component and the first medial lace-engaging component such that a first portion of the lace extends across the first surface. The lace may apply a force to the tongue and/or instep chamber, and this force may move fluid from the tongue and/or instep chamber to the first heel and/or ankle support chamber to provide additional support for the heel and/or ankle.

Full Text

What is claimed is:

Footwear uppers and articles of footwear including such uppers include: (a) a first lateral lace-engaging component; (b) a first medial lace-engaging component; and (c) a bladder. The bladder includes: (i) a tongue and/or instep chamber having a first surface and a second surface opposite the first surface, (ii) a first heel and/or ankle support chamber, and (iii) a first fluid line placing the first heel and/or ankle support chamber in fluid communication with the tongue and/or instep chamber. A lace engages the first lateral lace-engaging component and the first medial lace-engaging component such that a first portion of the lace extends across the first surface. The lace may apply a force to the tongue and/or instep chamber, and this force may move fluid from the tongue and/or instep chamber to the first heel and/or ankle support chamber to provide additional support for the heel and/or ankle.
Timeline
Filed
03/26/2026
Published
07/30/2026
Granted
Not Available
IPC Codes(5)
A43B 23/02:Uppers; Boot legs
A43B 7/20:Ankle-joint supports or holders
A43B 23/26:Tongues for shoes