The 2010 NB 500 is designed for maximum comfort and features a state-of-the-art gripping outsole that gives teams the flexibility and speed they need to be the best on pit road.
Advantages to the NB 500 include:
• SFI rating of 3.3/5
• Fire Retardant Suede
• Full rubber sidewall wrap for support
• Reinforced toe for durability
• Herringbone bottom tread design and superior rubber compound for traction and ground debris relief
• Molded sock insert with Polyiou –Open Cell “recycled” PU foam that is breathable, wicks moisture, and fights odor & bacteria
• Sizes 8-16, half sizes are only available for sizes 8-12. 

The NB 500 is not just for pit crews, this fire retardant shoe is excellent for Fireman, Paramedics, Airport fuelers, or anywhere else where a comfortable, fire retardant shoe is required.