These shoes are simply the best I have worn in many many years. I like the way it automatically connects. Una vez que encuentres el ángulo correcto en tu cabeza no lastima let alone sprint. Now, remember - this is not for straight leg popups. Perfectas en mis bose muy buena calidad My husband has been installing towel racks/bars all over the house so by the time he was doing this one, he was an expert. The rubber bottom is nice because I am able to wear these both inside and outside. Impeccable sound quality. As usual, Amazon delivered on time in good condition.