ThE Cat I design is beyond any Pair I’ve had by all other upscale brands. They stretched even larger with use. Excellent fit! I would never recommend this bike to anyone, 1 star for this product. Audio was a little watery sounding, and I realized there was still some water coming out of the earpiece. If I was guaranteed a good fit, Id buy more, but not worth the trouble I went through with the end result that I got. 2 Year Update hope your reading this BretAfter owning these for nearly two years, i have to say that these things sound as amazing as the day i bought them. An elite "adult baby" product, and a great value at this low price. Air & moisture will get into the jars. Very immersive sound experience overall, even without the 7.