Built with PowerGrid technology, the Cortana provides superior cushioning and an incredibly responsive ride for the everyday runner.

• Supportive cushioning.  
• Lightweight.
• Upper:
    - Sauc-fit.  
    - Engineered mesh.  
    - Hydrator collar lining.
    - Comfortride sockliner.
    - HRC strobel board.  
• Midsole:
    - PowerGrid™ with PowerFoam™.
    - Impact interface.
    - SRC impact zone.
    - 4mm offset.
• Outsole:
    - IBR.
    - XT-900.
• Weight: 8.9 oz.