I’ve been thinking a memory foam tip was my answer to keeping the pod from falling out of my ear, but maybe I don’t. They are hollow and really light, which made it feel like they would break while wearing. First thing my millennial son-in-law said was "old school" and he liked them. I have it on my fridge to hold my teas and paper towel. They were fairly cheap ($25 ish) and looked cool, so I was worried they might be "form over function". These days, my neuropathy and venous insufficiency have conspired to cause me to retain water and they have swollen to alien proportions now, and are very tender. weitere Infos dazu, weiter unten- Der 880Pro klingt im direkten Vergleich wesentlich besser und edler5. The concept of these headphones is amplification by resonating sound in the head. Note to those with a high instep, definitely go up a size. Its useful for a small clothet.