Step up to �Version 3��of New Balance�s motion control 1540 trainer,�made with ENCAP and Rollbar��midsole technology for exceptional support and stability. The black synthetic/mesh upper with grey ("Castlerock") accents is designed for maximum comfort as you run. Removable PU insert. Durable blown rubber outsole with 10 mm drop. SL-2 last. Limited stock in men�s 4E and 6E widths.�