Light, fast, race-inspired and styled for people who live, work and play on the fly. Pigskin leather uppers with plenty of breathable AirMesh screen ventilation. Deeply comfortable 4.5mm anatomical footbed with Cita-XY&$reg153; Aegis&$reg153; antimicrobial protection. (Female-specific Q-Form&$reg153; stride alignment in women’s models.) In-Board&$reg153; wedge midsole with Merrell Air Cushion.