I took these right out of the box and wore them in six nights of a theater show.  On my feet for hours every night, I found these amazingly comfortable.  The zipper is great for speed though I did have to loosen the top laces to zip up every night -- not a big deal at all.  My colleagues said, "Those boots are so HOT!"  Up close it's clear they are not leather, but to the untrained eye they look just dandy.  I am a true 9.5 and sized up to 10 which was was perfect.  Recommended!