Flex Experience Run 11 Running ShoesA FRESH FLEX WITH A NATURAL FEEL. Comfortably zen, just like every run should be. With the Nike Flex Experience Run 11, we created a lightweight, clean design that feels as good as it looks. The shoes are supportive in all the right ways with movement so natural, you'll swear you've been wearing them for years. Flex Your Stride Flex grooves in the outsole let you move naturally from heel to toe. Less foam in the outsole allows for better flexibility