UPPERS AND SOLE STRUCTURES FOR ARTICLES OF FOOTWEAR

摘要

Sole structures and uppers for articles of footwear are described that includes features to enhance footwear flexibility, dexterity, natural motion feel, and/or tackiness. Such articles of footwear may provide enhanced properties and feel for use in skateboarding and other activities.

主权项

1. A sole structure for an article of footwear, comprising:
a first sole portion including a first exposed bottom surface area; a second sole portion including a second exposed bottom surface area; and an elongated double curved channel located between the first exposed bottom surface area and the second exposed bottom surface area, wherein the elongated double curved channel extends from a medial-side end at a forefoot region of the sole structure to a lateral-side end at or near a midfoot region of the sole structure, wherein a forward portion of the elongated double curved channel has a concave portion facing a medial edge of the sole structure and a rearward portion of the elongated double curved channel has a concave portion facing a lateral edge of the sole structure, and wherein the elongated double curved channel has a depth of at least 3 mm over at least 50% of its length.