Two Sizes Available:  Small/Medium & Large/XL
Join the crew with your official Engine 51 custom made ball cap (navy blue Flexfit hat with embroidery).

  • 63% Polyester, 34% Cotton, 3% Spandex
  • Stretch Fitted closure
  • Hand Wash
  • Flexfit the one and only original cap. Baseball cap with wool-like fabric.
  • The original Flexfit technology
  • 6-Panel mid-profile, structured
  • Permanent visor. Silver undervisor, 8-row stitching on visor


All orders will be shipped USPS Priority Mail.  Local customers can choose to pick up their order – or have it shipped at checkout. All payments are processed by PayPal. If you don’t have a PayPal account, don’t worry!  You can use a credit card instead.