An article of footwear, comprising: an upper; a sole structure connected to the upper and configured for contacting a surface, the sole structure including: a midsole having an impact attenuating system, and an outsole connected to the midsole and including: a first region formed of a first material and having a first plurality of grooves having a first depth configuration formed therein, the first plurality of grooves extending angularly across a portion of the outsole to form a first plurality of discrete, diamond-shaped lugs, the first plurality of discrete, diamond-shaped lugs having a first height; and a second region formed of a second material different from the first material and having a second plurality of grooves having a second depth configuration different from the first depth configuration formed therein, the second plurality of grooves extending angularly across a portion of the outsole to form a second plurality of discrete, diamond-shaped lugs having a second height substantially less than the first height, wherein the second region is arranged within one of the first plurality of discrete, diamond shaped lugs of the first region. an upper; a sole structure connected to the upper and configured for contacting a surface, the sole structure including: a midsole having an impact attenuating system, and an outsole connected to the midsole and including: a first region formed of a first material and having a first plurality of grooves having a first depth configuration formed therein, the first plurality of grooves extending angularly across a portion of the outsole to form a first plurality of discrete, diamond-shaped lugs, the first plurality of discrete, diamond-shaped lugs having a first height; and a second region formed of a second material different from the first material and having a second plurality of grooves having a second depth configuration different from the first depth configuration formed therein, the second plurality of grooves extending angularly across a portion of the outsole to form a second plurality of discrete, diamond-shaped lugs having a second height substantially less than the first height, wherein the second region is arranged within one of the first plurality of discrete, diamond shaped lugs of the first region. a midsole having an impact attenuating system, and an outsole connected to the midsole and including: a first region formed of a first material and having a first plurality of grooves having a first depth configuration formed therein, the first plurality of grooves extending angularly across a portion of the outsole to form a first plurality of discrete, diamond-shaped lugs, the first plurality of discrete, diamond-shaped lugs having a first height; and a second region formed of a second material different from the first material and having a second plurality of grooves having a second depth configuration different from the first depth configuration formed therein, the second plurality of grooves extending angularly across a portion of the outsole to form a second plurality of discrete, diamond-shaped lugs having a second height substantially less than the first height, wherein the second region is arranged within one of the first plurality of discrete, diamond shaped lugs of the first region. a first region formed of a first material and having a first plurality of grooves having a first depth configuration formed therein, the first plurality of grooves extending angularly across a portion of the outsole to form a first plurality of discrete, diamond-shaped lugs, the first plurality of discrete, diamond-shaped lugs having a first height; and a second region formed of a second material different from the first material and having a second plurality of grooves having a second depth configuration different from the first depth configuration formed therein, the second plurality of grooves extending angularly across a portion of the outsole to form a second plurality of discrete, diamond-shaped lugs having a second height substantially less than the first height, wherein the second region is arranged within one of the first plurality of discrete, diamond shaped lugs of the first region.