Nike Mens Book 1 "Flagstaff" ShoesFir Phantom Hemp Sneakers The outside is pure Book, with a workwear inspired upper that adds durability, while hits of genuine leather provide reinforcement and a familiar, plush, broken in feel out of the box. A top loaded Air Zoom unit in the heel provides a measure of responsive speed when taking off in the open floor and coming to sudden halts, like a two footed Book jump stop and pump fake around the rim. A tough plastic plate at the midfoot