Good ventilation in enclosed spaces

For aspiring track athletes, the New Balance FuelCell MD500 v9 is a sleek, lightweight track spike great for middle to long distance races.

• FuelCell foam delivers a propulsive feel to help drive you forward
  
• Removable spikes for easy replacement
  
• Lightweight synthetic material
  
• Breathable mesh upper
  
• Adjustable lace closure for a secure fit
  
• Weight: 127.6 grams (4.5 oz)

Well - ventilated upper part