Compete with confidence in these women's Nike Flex High-Performance running shoes. In gray/purple. Shoe Technologies: Breathable mesh upper and lining keep you cool. Phylon midsole ensures lightweight cushioning. Rubber outsole provides superior traction. Shoe Construction: Mesh/manmade upper. Mesh lining. Phylon midsole. Rubber outsole. Shoe Details: Lace-up closure. Padded footbed.