Under Armour, Inc.
Footwear upper with dynamic and lock-out regions

Abstract:

An article of apparel includes a base layer and an auxetic layer coupled to the base layer. The auxetic layer includes an auxetic structure defining a repeating pattern of shapes, with each of the shapes defined by perimeter walls and an interior recess. The auxetic layer includes a first region and a second region. Each interior recess in the first region provides a void exposing the base layer, and each interior recess in the second region is at least partially filled with a recess material.