astro, i don know if u will believe this. My crocs, i wear for the first time, i got immediate blister! Den, i bite my shoe, so it will stop biting me and give me blister. My method always work. Bite the area u got blister. I usually ask nick to bite the whole shoe. Lol! Don tell him i mention to the forum. He will go mad and stop helping me to bite my new shoe.