I find a lot of laceless athletic shoes can slip off the heel but the neoprene heel on this shoe create a snug, comfortable fit. The are a little tight at first but loosen up after awhile. Main body of pad is light foam, with thin gel layer in top in the convex section that meets your head. Totally organnized me. The stem of the earbuds are offset from the rounded bulb of the driver, allowing easy insertion and a smaller overall profile, which is less likely to snag on something, like a hat. the sparkle is what attracted me first and the simple but intricate design that I see in person is just fantastic! I anticipated having to compromise on the convenience of quickly putting them on or taking them off, and in that way, I was incorrect. But is was a pain to carry the big and bulky charger case for when you needed it. I am now on week 2 with it I am now getting used to responding to texts. The booklet highly recommends using flat rubber soled shoes.