These are comfy, soft, and I?ve washed them in the washing machine. However they are plastic shoes, this seems reasonable, and they do not cause the blisters that fitted perfectly. Versand & Verpackung:Das Gerät wurde durch Amazon ohne extra Karton geliefert sondern in Originalverpackung versendet. When I walk the new fabric is slippery and just feels cheap. Birkenstocks have to be the most comfortable sandals ever. Recomendadas al 100% valen la pena. VERY COMFORTABLE. Haven?t worked out with them or tested the noise cancellation capabilities. I ordered the 950 mhz 3. When i measured them against the Annadel Eirwyn wedges purchased from Amazon last year i noticed they were a full half inch narrower but were marked 9.