dual zone ventilation balances cooling and support
Named for the woman-specific double X chromosome DNA sequence, the Run XX NITRO stands behind PUMAs RUN FOR HER motto with a progressive, female-specific design. Featuring an updated fit that hugs a womans foot at the heel, instep, and arch, the running shoes new, firmer NITRO midsole is the perfect balance of durable and lightweight. RUNGUIDE promotes proper alignment and increased stability for longer distances.Fits securely and comfortably around the foot's contours
