Two of my Itti's have gone 'crunchy' inside and the material on the outside is all puckered up and seems stuck to the inside. They both have become a really bad fit and leak - most likely from the fit. I have tried a strip wash but no improvement. Does anyone have any ideas on what the problem could be? They are only about 6 months old and all my other Itti's are fine, so it can't be a washing problem. I have emailed IB but they haven't got back to me yet - so was wondering if any of you lovely ladies had any ideas on what the problem could be..