The Nike Flex Supreme TR 5 Women's Training Shoe features a lightweight mesh upper for breathable comfort and an ultra-flexible outsole for natural range of motion during your workout. Flywire cables in the forefoot integrate with the laces for a dynamic fit Anatomically-placed foam pods on either side of the inner heel provide comfort and prevent heel slippage Hexagonal pattern is hot-knife cut into the outsole enhancing flexibility and 360-degree movement for a variety of training activities