Nike ACG Air Mowabb 'Off Noir'. Introducing the Nike ACG Air Mowabb, a new take on an old favorite. This updated version of the Nike ACG Air Mowabb features a black nubuck and textile upper, a molded heel cage, webbing pull tabs, and a stretchier collar for easy on and off. The lightweight cushioning is provided by a speckled foam midsole, supported by a 'leave no trace' rubber outsole designed to minimize the wearer's footprint. Nike ACG Air Mowabb 'Off Noir'