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.?