“Version 2” of New Balance’s “Optimal Control” 1540 trainer features Symmetrical Rollbar® technology that assures superior lateral and medial rearfoot stability. A “no-sew” synthetic/mesh upper has no seams to rub or chafe. Removable PU insert. Durable blown rubber outsole. Made in U.S.A. SL-2 last. Originally $164.95. Limited stock in men's 4E and 6E; check pulldown for current sizes availability.