I just purchased a set of 3rd Generation AirPods at the Local CotsCo store without realizing that these are "one size fits all." If I shake my head side to side fast enough I could toss them a few feet away from me. A good thing is that I can return them to CotsCo, no questions asked. I just don't understand how Apple allows for such a dumb design... other than to reduce production cost (?).