Worn once! Like new!! CUSHIONING: NITRO: LIGHT & RESPONSIVE: Advanced foam technology providing superior responsiveness and cushioning in a lightweight package FOOTSTRIKE GUIDANCE: RUNGUIDE, a firm density rim, promotes proper alignment and keeps the foot centered through each stride GRIP: PUMAGRIP: HIGH TRACTION RUBBER: Durable rubber compound provides multi-surface traction. FIT: A midsole engineered specifically for the female form.