US Patent 9974359 Footwear having a sole with a plurality of chambers

Soles for footwear and footwear are disclosed. The sole may include a midsole having a first surface. The sole may additionally include an outsole having a second surface and a plurality of first recesses. The second surface may be attached to the first surface. The first surface and the plurality of first recesses may define a plurality of chambers. One or more chambers of the plurality of chambers may include trapped air. The midsole may further include first protruding portions that extend downwardly from the first surface toward one or more first recesses of the plurality of first recesses.