Usually that M 7-8 size is fine for me in slippers but I found that it fit me large which further aggravated the situation. Ive stopped using all my other earbuds because these Tribits have all the features I want and need. If they feel snug at first they will break in nice. Igualmente reduce la posibilidad de maltratar o rayar con las bicicletas el interior del coche. ???????????? For many people, Apples Airpods stay securely in the ear, but for countless others like me, we need a little extra in-ear security for headphones. THIS IS WHAT I WANTED! Están bien, pero vino sin la pinza I honestly think they may make the sound better?? If not comparable. It has bent a little bit but still standing just fine.