(like a post "breakin" period) Thats how I "see it" with these slide ins. These ear tips are a reasonable replacement for the originals. I jogged around my house the day I received them trying to find something wrong with them but theyre perfect! When I asked my son to give me his review this is what he had to say:1) Mic works great! I normally wear a women?s size 6. Sometimes great, sometimes people were moaning I sounded distant. The mute switch has two icons that are almost indistinguishable from each other so it takes some getting used to which is on and off - the off is the exact same icon with an extremely thin line through it. " If your dream is a shoddily designed, yet reasonably aesthetically appealing bamboo spice rack organizer, then by all means buy this product. I have a foot size that is exactly 9. I wish I took a picture but it made the process so easy I was smiling the whole time.