SauconyMen's RunDry Bolt Performance No-Show Socks, Available in M-XXL (6, 12, 18 Pairs)

Are these No show socks, 6 pair or 6 socks.

Are these cushy?

Will this fit a size 13 foot, shoe size, comfortably?

The black description shows assorted and the assorted description shows all black. Order based on description?