Once the airpod is in, it is hard to get it out. If youre deathly afraid of spiders make sure to wear your depends. Perfect fit, true to size. Purchased for my nine year old daughter. then stops. They even worked with a tiny Sandisk Clip Sport+ mp3 player. He wouldnt listen. So I was so excited when they finally arrived. they fit just as described. I am very flat footed so I usually struggle with foot comfort and can never normally go "sock free" but these were super comfortable straight out of the box with a nice padded sole.