DickiesMen's Socks (Pack of 3)

Do you get three pairs of socks or three socks? The picture shows three socks.

I wear shoe size 7 in men , are those socks going to fit me?

I wear size 14M shoe with 21" calf. Are these large enough?

How is the cushioning on these. I need socks with good cushioning. Im on my feet alot