Leg Avenuewomens Spandex Industrial Fishnet Tights

Will these fit someone who is very tall? I'm 6' and the only reviews i've seen are from people much shorter than I am :(

is there a seam down back of leg

I'm a size 14, would the one size or the 1x fit better?

I'm a size 2 and 5'5" which size is right?