never seen it. okay. I would highly recommend the Comfort tips as they really make things more stable but it just can only do so much with buds that hang out of your ears like this. Ive worn a size 12 for 50 years. I have noticed since putting them on that oncoming cars do notice them and start moving over a little earlier. Super nice, cute and sturdy Theyre good! Sewn in flap ripped off easily when removing. 00 KMART like shoerack. I usually wear size 8 shoes regular or relaxed width.