Sole structure having auxetic structures and sipes

An article of footwear comprising:

• an upper adapted to receive a foot of a wearer;
• a midsole having an upper surface coupled with the upper, and an outer, ground contacting surface, the midsole further including:
• a central region having a plurality of recessed portions and a plurality of sole portions, wherein:
• each of the plurality of recessed portions extends from the outer surface toward the upper surface;
• each of the plurality of sole portions are provided between adjacent ones of the plurality of recessed portions,
• the plurality of recessed portions and plurality of sole portions are arranged across the central region to form an auxetic structure, and
• the auxetic structure expands in both a first direction and in a second direction that is orthogonal to the first direction when the sole structure is tensioned in one of the first direction or the second direction;
• and
• a peripheral region located between an outer perimeter of the midsole and the central region, the peripheral region including a plurality of sipes, each sipe extending from the outer perimeter and terminating at a respective one of the plurality of recessed portions.