"I never want to take them off. I’m on my feet all day and they are perfect," says another happy buyer. Nike offers free pickup at select stores, and Nike Members get free shipping on orders over $50.

Commenters quickly pointed out the likelihood of a riot because of the scarcity of the shoe and excitement around it.

This is just all kinds of outrageous. Last November, a skydiver jumped out of a helicopter, glided down into the Grand Canyon ...