Patent ID: 8863412

Claim:
An article of footwear, comprising: an upper; and a sole structure connected to the upper and including: a midsole, and an outsole connected to the midsole, the outsole including: a first region formed of a first material and having a first plurality of grooves formed in the outsole and extending across the outsole to form a plurality of discrete lugs in the outsole, wherein the first plurality of grooves includes: (a) a first groove extending from a medial side of the outsole to a lateral side of the outsole, and (b) a second groove extending across the outsole from the medial side of the outsole to the lateral side of the outsole, wherein the second groove crosses the first groove, and wherein a depth of at least one of the first groove or the second groove increases as said groove extends in a direction from the medial side toward a center of the outsole and decreases as said groove extends in a direction from the center of the outsole toward the lateral side, and a second region formed of a second material different from the first material and arranged within a discrete lug formed in part by the first and second grooves.