Model [ WL574WHB]574 New Balance - Bolt - Women's Lifestyle ShoesStep back into classic retro style with this New Balance running shoe. This model features a suede/mesh upper for a premium look and an ENCAP® midsole for added support. ENCAPĀ® midsole technology provides support and maximum durability EVA (Ethyl Vinyl Acetate) foam midsole for cushioning Rubber outsole Textile upper