A sole structure, comprising: a midsole component having an inner recessed surface and an outer surface; the midsole component including a plurality of recessed portions (140, 204, 214, 222, 224, 600, 601, 722, 800, 806) arranged in an auxetic configuration in the outer surface; the plurality of recessed portions (140, 204, 214, 222, 224, 600, 601, 722, 800, 806) including a first recessed portion (140, 204, 214, 222, 224, 600, 601, 722, 800, 806); the first recessed portion (140, 204, 214, 222, 224, 600, 601, 722, 800, 806) being bordered by at least a first sole portion (202, 251, 253, 255, 257, 400, 500, 624) and a second sole portion (202, 251, 253, 255, 257, 400, 500, 624); the first sole portion (202, 251, 253, 255, 257, 400, 500, 624) and the second sole portion (202, 251, 253, 255, 257, 400, 500, 624) being connected by a junction (219, 221, 242); the first sole portion (202, 251, 253, 255, 257, 400, 500, 624) having a first elevated portion (220, 230, 231, 232, 822, 834); the second sole portion (202, 251, 253, 255, 257, 400, 500, 624) having a second elevated portion (220, 230, 231, 232, 822, 834); the first elevated portion (220, 230, 231, 232, 822, 834) having a first elevated surface; the first elevated surface being located a first distance away from the inner recessed surface; the second elevated portion (220, 230, 231, 232, 822, 834) having a second elevated surface; the second elevated surface being located a second distance away from the inner recessed surface; the junction (219, 221, 242) having a junction surface; the junction surface being located a third distance away from the inner recessed surface; wherein the first distance and the second distance are both larger than the third distance, wherein the first sole portion (202, 251, 253, 255, 257, 400, 500, 624) has a first sidewall surface (228, 610), the first sidewall surface (228, 610) bordering a portion of the first recessed portion (140, 204, 214, 222, 224, 600, 601, 722, 800, 806), characterized in that the first elevated portion (220, 230, 231, 232, 822, 834) has a first elevated sidewall surface, at least a portion of the first elevated sidewall surface partially defining the first recessed portion (140, 204, 214, 222, 224, 600, 601, 722, 800, 806), and wherein the first elevated sidewall surface is coincident with the first sidewall surface (228, 610). a midsole component having an inner recessed surface and an outer surface; the midsole component including a plurality of recessed portions (140, 204, 214, 222, 224, 600, 601, 722, 800, 806) arranged in an auxetic configuration in the outer surface; the plurality of recessed portions (140, 204, 214, 222, 224, 600, 601, 722, 800, 806) including a first recessed portion (140, 204, 214, 222, 224, 600, 601, 722, 800, 806); the first recessed portion (140, 204, 214, 222, 224, 600, 601, 722, 800, 806) being bordered by at least a first sole portion (202, 251, 253, 255, 257, 400, 500, 624) and a second sole portion (202, 251, 253, 255, 257, 400, 500, 624); the first sole portion (202, 251, 253, 255, 257, 400, 500, 624) and the second sole portion (202, 251, 253, 255, 257, 400, 500, 624) being connected by a junction (219, 221, 242); the first sole portion (202, 251, 253, 255, 257, 400, 500, 624) having a first elevated portion (220, 230, 231, 232, 822, 834); the second sole portion (202, 251, 253, 255, 257, 400, 500, 624) having a second elevated portion (220, 230, 231, 232, 822, 834); the first elevated portion (220, 230, 231, 232, 822, 834) having a first elevated surface; the first elevated surface being located a first distance away from the inner recessed surface; the second elevated portion (220, 230, 231, 232, 822, 834) having a second elevated surface; the second elevated surface being located a second distance away from the inner recessed surface; the junction (219, 221, 242) having a junction surface; the junction surface being located a third distance away from the inner recessed surface; wherein the first distance and the second distance are both larger than the third distance, wherein the first sole portion (202, 251, 253, 255, 257, 400, 500, 624) has a first sidewall surface (228, 610), the first sidewall surface (228, 610) bordering a portion of the first recessed portion (140, 204, 214, 222, 224, 600, 601, 722, 800, 806), characterized in that the first elevated portion (220, 230, 231, 232, 822, 834) has a first elevated sidewall surface, at least a portion of the first elevated sidewall surface partially defining the first recessed portion (140, 204, 214, 222, 224, 600, 601, 722, 800, 806), and wherein the first elevated sidewall surface is coincident with the first sidewall surface (228, 610).