Nike Initiator Shoes. Nike Initiator Shoes. Put in miles with the comfortable support of the Nike Initiator. It has a breathable upper with a soft, cushioned design that helps you hit your stride with confidence. Supportive overlays help center your foot in the shoe. Soft lining enhances comfort. Foam midsole delivers a soft, cushioned ride. Flex grooves in the outsole help you move freely. Imported.