A sole structure for an article of footwear, the sole structure comprising: a ground-contacting outer member including a baseplate; a first ground-engaging member including a first concave sidewall, a second concave sidewall, and a third concave sidewall, the first concave sidewall of the first ground-engaging member facing away from a peripheral edge of the baseplate; a second ground-engaging member including a first concave sidewall, a second concave sidewall, and a third concave sidewall, the second concave sidewall of the second ground-engaging member facing away from the peripheral edge of the baseplate; a third ground-engaging member including a first concave sidewall, a second concave sidewall, and a third concave sidewall, the third concave sidewall of the third ground-engaging member facing away from the peripheral edge of the baseplate; a fourth ground-engaging member including two concave sidewalls and a fourth concave sidewall, the fourth concave sidewall of the fourth ground-engaging member facing away from a peripheral edge of the baseplate; and a fifth ground-engaging member including two concave sidewalls and a fifth concave sidewall, the fifth concave sidewall of the fifth ground-engaging member facing away from the peripheral edge of the baseplate, wherein the ground engaging members (401, 402, 403, 404, 405) are arranged in a heel region of the article of footwear and disposed proximate to the peripheral edge of ground-contacting outer member, wherein the ground-engaging members (401, 402, 403, 404, 405) have a substantially triangular shape, and wherein the second ground-engaging member includes a lobe extending along an axis which is disposed at an angle with respect to the peripheral edge, the angle being a substantially perpendicular angle. a first ground-engaging member including a first concave sidewall, a second concave sidewall, and a third concave sidewall, the first concave sidewall of the first ground-engaging member facing away from a peripheral edge of the baseplate; a second ground-engaging member including a first concave sidewall, a second concave sidewall, and a third concave sidewall, the second concave sidewall of the second ground-engaging member facing away from the peripheral edge of the baseplate; a third ground-engaging member including a first concave sidewall, a second concave sidewall, and a third concave sidewall, the third concave sidewall of the third ground-engaging member facing away from the peripheral edge of the baseplate; a fourth ground-engaging member including two concave sidewalls and a fourth concave sidewall, the fourth concave sidewall of the fourth ground-engaging member facing away from a peripheral edge of the baseplate; and a fifth ground-engaging member including two concave sidewalls and a fifth concave sidewall, the fifth concave sidewall of the fifth ground-engaging member facing away from the peripheral edge of the baseplate, wherein the ground engaging members (401, 402, 403, 404, 405) are arranged in a heel region of the article of footwear and disposed proximate to the peripheral edge of ground-contacting outer member, wherein the ground-engaging members (401, 402, 403, 404, 405) have a substantially triangular shape, and wherein the second ground-engaging member includes a lobe extending along an axis which is disposed at an angle with respect to the peripheral edge, the angle being a substantially perpendicular angle.