Nike Flex Experience 11 Men's Black Running Shoe Flex Experience 11, the Nike brand's generally preferred series for running and exercise, is ideal for your brisk runs. The running shoe model, which is preferred with its simple design and comfortable use, is appreciated by Nike users. The daily shoe model, which keeps your feet dry with its breathable mesh on the front, has a design that you can use for many years with its durable toe box. Normal mold.; Breathable mesh.; Cushioning system at the heel.;