Thats weird as mine stays dry with wet wipes in. I think it is probably wicking at the zip. Will do some tests on mine tomorrow.
NAPPY ALERT - did I mention that I have bought some silver nappy liners?? Havne't used them myslef buy twinkle says:
Silver Liners Polyester nappy liners with a thread of silver in. Silver is antibacterial and helsp restrict bacterial growth, so by placing one of these liners anywhere in the nappy it will help reduce overnight redness and nappy rash.
Have any of you used them? May need a tester?!