Foam is hard. It took about 9 minutes to assemble one. My foot is not easy to fit and Ive not always had good luck ordering shoes on line. The audio quality from the earpiece speaker is completely fine for my purposes. I hoped to save space in the kitchen by attaching these to the side of my fridge. zu sanuk ist nicht viel zu sagen, die sind einfach perfekt für mich. The medium is a great fit. Encajo perfectamente Conforme à sa description. No issues with connection on either bud.