Brand new with box. 100% Authentic! Flyknit lightweight breathable material hugs your foot and keeps it in place. Synthetic material wraps from the inside of your foot to the top for a secure fit. Durable rubber on the outside in high-wear zones. Raised nobs add traction. Tiny foam beads in four strategically placed pockets underfoot compress in every step. One-piece foam collar cushions smoothly and securely.