Theyre also so hard to get on that I wonder why its so easy to get them off! So sad): I wanted to love them. Great addition to anyone interested in medical and scientific research (that was curbed) by the government and industry. Thoughts for the future:- Im hoping that where the straps are connected between the sole and insole are built as well as they look so that they dont pull apart as many of my previous sandals have. As you can see they stretch out our the years and for that reason alone I should have maybe replaced them a bit sooner but the soles are STILL in good shape! Narrow Womens size for a Birkenstock would be the American "M" Medium in my observation. If you have a MoBo with Realtek 7. 1 kg (15. Miraculously it flew off to the side against the interstate concrete barrier. The thickness of the case is good for protections and I still have the same one on my old AirPod case.