Version 4 of New Balance's great-fitting 1540 runner is a complete make-over, resulting in a versatile shoe for everyday comfort and support. Made in U.S.A., it has no-sew engineered knit uppers that are lightweight and forgiving with soft, smooth linings. Its Fresh Foam X midsole provides New Balance's most cushioned experience ever and has 3% bio-based content from renewable resources. RollbarTM stability post system controls rear foot movement for great support. Removable foam footbed. Lightweight rubber outsole. Made on the SL-4 last, a better fitting version of the already generous SL-2 last. Women's sizes 6-11, 12 and 13 in 4E width.