Court command and forefoot quickness let you play at your own Book-like pace. Through thick and thin Book's stayed 10 toes down in the Valley of the Sun. He's Michigan tough and Mississippi mannered but the all-time Sun might as well be the state's native son. This Book 2 takes its cues from that basketball-crazed city and culture. Iconic vibrant purple and oranges represent Phoenix's rich hoop history and Book's commitment to the franchise. Speed Control - We moved the Air Zoom unit from the heel to the forefoot for an extra turbo boost to blow by your defender. Quick on the Ball - An updated midfoot webbing system works with a molded upper to provide extra stability for jabs and pivots. Play with Tempo - A lighter upper compared to the Book 1 and a lower-to-the-court feel helps you stay steady and balanced for hesitations and stepback jumpers.