Introducing the Air Sock Racer Ultra Flyknit. ⠀⠀⠀ ⠀ When we decided to make a shoe with no laces, that had nothing but a Flyknit upper and a weirdly motion contoured sole, people said we were mad. Well, we are. And it is. ⠀⠀⠀ ⠀ Arriving in Nike+ SNKRS and at select Nike stores April 27.