DynaSoft midsole couples ultra-responsive performance with plush comfort Upper features no-sew construction for a sleek fit and feel Synthetic/textile upper Durable rubber outsole Adjustable lace closure for a customized fit 6 mm drop; due to variances created during the development and manufacturing processes, all references to 6 mm drop are approximate New Balance Women’s WNRGSV1/SAN1 NERGIZE SPORT