New Balance Women's WR00 Minimus Running shoe 100% Textile Imported Vibram sole 0mm heel-to-toe differential REVlite midsole Anti-Microbial lining No-sew material application Vibram outsole Weight: 4.4 oz (124g) New Balance's Minimus WR-00 is THE barefoot running shoe for an unbelievably light, yet incredibly durable performance.