PRODUCT STORY Named for the woman-specific double X chromosome DNA sequence, the Run XX NITRO stands behind PUMA’s RUN FOR HER motto with a progressive, female-specific design. Featuring an updated fit that hugs a woman’s foot at the heel, instep, and arch, the running shoe’s new, firmer durometer NITRO™ foam midsole is the perfect balance of durable and lightweight. RUNGUIDE promotes proper alignment and increased stability for longer distances. FEATURES & BENEFITS NITRO™: Advanced foam technology providing superior responsiveness and cushioning in a lightweight packageRUNGUIDE: Firm density guide rail designed to keep your foot aligned and centred through each stride DETAILS Low boot constructionMesh upperNITRO™ foam midsolePUMAGRIP high-traction rubber outsoleMesh tongueLace closurePUMA Cat Logo on toe and heelPUMA Formstrip at medial side