Italia 70s Shoe

so I really liked this shoe. but everyone said to go half size up . I went half size up and they was and looking too big to long like Clown shoes. the heel slips when tied tight. but the feet and toes hurt bad. so if I do get my size it will be to tight even more. but when I size up the heel slips and shoe looks very long . I wear for 5 minutes and my big toe is red and hurts bad from rubbing on the top . so the fit on this shoe is very bad. can't get your size and get size up . why make a shoe that is impossible to wear . is was also very bad uncomfortable. . so I don't know what to say . get your size and then take to a shoe cobbler to stretch it. that's insane. make the shoe to fit properly adidas w.t.h