Red Bull Racing Essential Navy 9FORTY Adjustable Cap

Sizing Tips

• These caps come in a single-size OSFM (One Size Fits Most) for adults.
• There is an adjustable strap at the back of the cap to adjust the size.  

How to Measure:

• Using a measuring tape, measure the circumference of your head where the cap would sit.
• The measuring tape should sit comfortably snug. Do not make it too tight.