Inspired by the human body, graduated panels on the sides represent muscles, while the laces form a ribcage for the shoe. Originally developed for performance running, visible Nike Air cushioning delivers all-day comfort. Breathable mesh is reinforced with leather and synthetic overlays for a ventilated feel and classic Nike look. Foam in the midsoles have flex grooves that let you move freely. Not intended for use as Personal Protective Equipment (PPE)