Approved by the AHSAA. Base cap is 6 stitch 2 1/2" bill. Embroidered specifically for AHSAA umpires. Solid black with AHSAA logo. Comes in pulse performance only with moisture wicking and temperature control. Available in four sizes Richardson size SM/MD (7-7 1/4), Richardson size LG/XL (7 3/8- 7 5/8) or Smitty size Large (7 5/8-8) Note: Base cap is 6 stitch 2 1/2" bill. Base hat is recommended for base only.