This really doesnt matter because the headband is completely flexible and can bend but I wouldnt store them in here for weeks at a time because of how the ear pads butt up against the insides. I have the most generic bike from Walmart and it fits on the handlebars perfectly (some people complained that it was too big). J?ai fais des jaloux. We have also had issues pairing Alexa to this device. But it seems that wasnt the case. Im not sure whose feet would actually fit these comfortably. We purchased this product think the price would correspond to a well built, sturdy product. LOWS : v. I have had many in-ear headphones various brands some are good sound quality but non of them I could wear them comfortably for along time. Having read some of the reviews on here I ordered a size 6 expecting the fit to be tight, I am usually a 5.