Patent ID: 8146266
Filing Date: 2012-04-03
Classification: A43B

Abstract:
1. An article of footwear, comprising: an outsole; an upper attached to the outsole, the upper defining a cavity for receiving a wearer's foot; and a chimney structure comprising a plurality of chimneys defining pathways for moving heat or moisture from within the cavity to outside the article of footwear, each of the chimneys including a pair of sidewalls, a continuous rear wall disposed between and along the pair of sidewalls and an open side opposite the rear wall, the open side facing the cavity and disposed generally adjacent the wearer's foot during wear, the open side extending from a first end adjacent to the foot to a second end adjacent a top portion of the upper, and each of the chimneys having a cross-sectional area of at least 16 mm wherein the chimney structure comprises a first row of chimneys and further includes a second row of chimneys adjacent to the first row, wherein the pathways of the second row face away from the cavity.