Details...

• Character: Maya Stern
• Actor: Michelle Keegan
• Show: Fool Me Once
• Episode: 1x07 - "Episode 7"
• Brand Product : Bulk- Caps PINE PIGMENT DYE LOW PROFILE DAD CAP
• Buy:

  Bulk-Caps Pine pigment dye low profile dad cap

  Since it depends on the lighting of the show, it may also be the Navy version:

  

• Credit: Bulk-Caps PINE PIGMENT DYE LOW PROFILE DAD CAP
• Description: Low-profile, unconstructed crown with top button and six sewn eyelets. Matching color sweatband, fabric hideaway closure with brass buckle and grommet. - Pre-curved bill has four rows of stitching. - 100% cotton twill six panel cap. - Woven label