A cushioning sole system for footwear, comprising: a first sole member , the first sole member being made from a foam material and including an outer surface, the outer surface comprising an upper surface , a lower surface , and a sidewall; the first sole member having an interior portion , wherein the interior portion is disposed between the upper surface , the lower surface , and the sidewall; a first set of apertures extending through the interior portion of the first sole member , wherein each aperture of the first set of apertures are through-hole apertures ; a second sole member , wherein the first sole member and the second sole member are configured for use in a complementary pair of footwear ; the second sole member being made from a foam material and including an outer surface, the outer surface comprising an upper surface , a lower surface , and a sidewall; the second sole member having an interior portion , wherein the interior portion is disposed between the upper surface , the lower surface , and the sidewall; a second set of apertures extending through the interior portion of the second sole member , wherein each aperture of the second set of apertures are through-hole apertures ; wherein the first set of apertures is arranged in a first pattern along the first sole member , and wherein the second set of apertures is arranged in a second pattern along the second sole member ; and wherein an arrangement of the first pattern is asymmetric with respect to an arrangement of the second pattern, wherein the asymmetry relates to asymmetry in a location, number, shape, size, geometry, and/or orientation of apertures in the first set of apertures compared to the second set of apertures . a first sole member , the first sole member being made from a foam material and including an outer surface, the outer surface comprising an upper surface , a lower surface , and a sidewall; the first sole member having an interior portion , wherein the interior portion is disposed between the upper surface , the lower surface , and the sidewall; a first set of apertures extending through the interior portion of the first sole member , wherein each aperture of the first set of apertures are through-hole apertures ; a second sole member , wherein the first sole member and the second sole member are configured for use in a complementary pair of footwear ; the second sole member being made from a foam material and including an outer surface, the outer surface comprising an upper surface , a lower surface , and a sidewall; the second sole member having an interior portion , wherein the interior portion is disposed between the upper surface , the lower surface , and the sidewall; a second set of apertures extending through the interior portion of the second sole member , wherein each aperture of the second set of apertures are through-hole apertures ; wherein the first set of apertures is arranged in a first pattern along the first sole member , and wherein the second set of apertures is arranged in a second pattern along the second sole member ; and wherein an arrangement of the first pattern is asymmetric with respect to an arrangement of the second pattern, wherein the asymmetry relates to asymmetry in a location, number, shape, size, geometry, and/or orientation of apertures in the first set of apertures compared to the second set of apertures . <EOS>