Liberate NITRO keeps you light on your feet with an effortless ride. Form fit around PUMA's new performance last, Liberate NITRO offers a great fit executed in a sturdy mono-mesh. A one-piece, NITRO midsole delivers just-right cushioning with great responsiveness for tempo runs and competition. To keep you steady and seen, Liberate NITRO has a TPU heel piece providing proprioception, and strategically placed PUMAGRIP for all-surface traction. FEATURES & BENEFITS CUSHIONING: Advanced NITRO FOAM technology providing superior responsiveness and cushioning in a lightweight package GRIP: PUMAGRIP durable rubber compound provides all-surface traction REFLECTIVITY: Strategically-placed reflective hits for running in low light conditions DETAILS New X-fit shape for customized fit and targeted support Ultra-lightweight mono mesh upper Full lace closure for secure lockdown and fit NITRO FOAM midsole for lightweight, responsive cushioning Full-length zoned rubber outsole provides durable all-surface traction Reflective TPU heel piece for added stability Reflective PUMA Cat Logo rubber print at lateral toe Dynamic PUMA Formstrip and graphic print at lateral sides WEIGHT: 6.3 oz/ 179g HEEL-TO-TOE DROP: 8MM