Shoe Having Grooves with Winged Portions

A shoe comprising:

• a sole;
• and
• an upper secured to the sole;
• the sole having a sole heel end and a sole toe end, the sole extending along a shoe axis from the sole heel end to the sole toe end, the sole having a lateral side extending from the sole heel end to the sole toe end and a medial side extending from the sole heel end to the sole toe end, the sole extending transversely from the lateral side to the medial side, the sole having a sole heel region, a sole midfoot region, a sole forefoot region, a sole metatarsal region, a sole ball region, and a sole toe region, the sole heel region extending longitudinally from the sole heel end to the sole midfoot region, the sole midfoot region extending longitudinally from the sole heel region to the sole forefoot region, the sole forefoot region extending longitudinally from the sole midfoot region to the sole metatarsal region, the sole metatarsal region extending longitudinally from the sole forefoot region to the sole ball region, the sole ball region extending longitudinally from the sole metatarsal region to the toe region, the sole toe region extending longitudinally from the sole ball region to the sole toe end, the sole heel region having a lateral heel portion and a medial heel portion, the sole midfoot region having a lateral midfoot portion and a medial midfoot portion, the sole forefoot region having a lateral forefoot portion and a medial forefoot portion, the sole metatarsal region having a lateral metatarsal portion and a medial metatarsal portion, the sole ball region having a lateral ball portion and a medial ball portion, the sole toe region having a lateral toe portion and a medial toe portion;
• the sole having a sole bottom surface, the sole bottom surface comprising a plurality of grooves, each of the plurality of grooves having a central portion, a first wing portion, a second wing portion, a third wing portion, and a fourth wing portion, the central portion having a first end and a second end, the first wing portion extending from the first end and generally toward the toe end, the second wing portion extending from the first end and generally toward the heel end, the third wing portion extending from the second end and generally toward the toe end, the fourth wing portion extending from the second end and generally toward the heel end, and wherein each of at least some of the plurality of grooves are spaced from and adjacent another of the plurality of grooves.