adidasOriginals Men's Lucas Premiere Running Shoe, us:one Size

i wear size 9 in mens and I want to replace the laces on these after i purchase them. What length laces will i need?

Are 14m and 14(d)m the same?

I want to buy this shoe for a friend he is a size 8.5 but i am not sure how to select the correct size......can i get a little help please?

I wear a size 11 in mens, would I just order a size 11 here?