Nike Romaleos 4 The Nike Romaleos 4 shoe provides strength and stability while having a supportive midsole and a wide flat outsole. Adjustable straps in the middle of the shoe hold the foot firmly in place even during the most intense exercise. The firm midsole with a raised heel allows for optimal power transfer from the ground, providing you support during explosive movements. The wide heel provides a stable base for challenging workouts, and the rubber pattern takes care of traction so it meets the demands of your favorite sport.