In reply to Kelloggs77: I let mine air until dry then poured in a lot of bicarbonate of soda. Leave this in for 24 hours then wash thoroughly in the sink and dry well. They are not 'as new' but they are hugely less offensive than before. I don't think anything will get them completely odour free and I have heard it suggested that the more your shoes smell the better climber you are likely to be!