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 (150, 210, 212) extending through the interior portion of the first sole member, wherein each aperture (150, 210, 212) of the first set of apertures (150, 210, 212) are through-hole apertures (150, 210, 212); a second sole member, wherein the first sole member and the second sole member are configured for use in a complementary pair of footwear (1600, 1700, 1800); 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 (150, 210, 212) extending through the interior portion of the second sole member, wherein each aperture (150, 210, 212) of the second set of apertures (150, 210, 212) are through-hole apertures (150, 210, 212); wherein the first set of apertures (150, 210, 212) is arranged in a first pattern along the first sole member, and wherein the second set of apertures (150, 210, 212) 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 (150, 210, 212) in the first set of apertures (150, 210, 212) compared to the second set of apertures (150, 210, 212). 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 (150, 210, 212) extending through the interior portion of the first sole member, wherein each aperture (150, 210, 212) of the first set of apertures (150, 210, 212) are through-hole apertures (150, 210, 212); a second sole member, wherein the first sole member and the second sole member are configured for use in a complementary pair of footwear (1600, 1700, 1800); 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 (150, 210, 212) extending through the interior portion of the second sole member, wherein each aperture (150, 210, 212) of the second set of apertures (150, 210, 212) are through-hole apertures (150, 210, 212); wherein the first set of apertures (150, 210, 212) is arranged in a first pattern along the first sole member, and wherein the second set of apertures (150, 210, 212) 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 (150, 210, 212) in the first set of apertures (150, 210, 212) compared to the second set of apertures (150, 210, 212).