Nike Air Max 270 GO Big Kids' Easy On/Off Shoes The Nike Air Max 270 GO is ready for you to do just that—"GO!" What's GO, you ask? It's our answer to making shoes super easy to take on and off—hands free! Step on the collapsible heel and watch it widen. Slip your foot in, and see the heel snap back into place. And done! Don't forget the B-I-G 270 Air unit for that lightweight and bouncy feel with each step to recess, after-school activities or just all-day play.