Fill a sandwich bag with some water, enough water to allow the bag to be inserted tight inside the shoe. Freeze it, until the water turns to ice. Thaw it for 20 minutes and then remove the bags(s). Repeat as necessary. It works with most materials.
i purchase and shoes on www.cheapshoeshotsale.com orhttp://gangtiebupa.bloggd.org/2012/04/10/nike-store-nike-mens-training-shoes-clothing-gear/ ,nice give you the suggestion.
You can find another pair with good quality. So, leave this problem alone and get another pair. I will give you some suggestion. here is the web site.http://www.wholesale-onsale.com