THAT was the deciding factor in buying a second set, not to mention, the hope that Sony will have corrected the cheapo vinyl coating and static shock problems after twelve years. The one possible issue could be they are thinner than the stock feet and leave very little room for clearance between the pad and the mouse shell, so downward pressure on the mouse may cause added friction. These buds sound awesome and stay in your ears comfortably. I already have a pair of regular crocs but I wanted a pair of the lined for winter use instead of using my house slippers , this was a excellent choice, very comfortable and cozy, 100% satisfied, would definitely recommend. product is just like the cord that came with the headphone. Super comfy and so cute! I?ve gotten in the habit of just ordering them every few months or so when I notice the color of the plastic noticeably changing. Price, sonic quality, industry reputation in the studio. I?d buy them again. as they do hit each other as you stack the bikes together.