NikeMen's Air Zoom Pegasus 38 Running Shoe, Barely Volt/Black, 9.5

Where do I put the size on the order, need size 13

These seem tight compared to my asics of the identical size. is the nike too tight and do you need to get 1/2 size up?

These seem tight compared to my asics of the identical size. is the nike too tight and do you need to get 1/2 size up?

What is the size on these shoes?