I walked all day Sunday and monday at Disney/. We were there from ten in morning to ten at night. Tuesday morning my feet were swollen and I had a very itchy rash from angles to calfs of leg. It is Wed. night and feet are still swollen even though I have been off of them most of day. Rash is better. It was very hot in Florida so I am thinking a heat rash but dont know why feet are swollen.