I was off finding it for ya. Flexfit Men's Athletic Baseball Fitted Cap https://www.amazon.com/dp/B073DTZ6KZ/ref=cm_sw_r_cp_api_glt_fabc_NCTTQJ2K5ZW8ETS2C079
I also find another site with a pretty great selection of caps. It’s listed as wholesale but you can buy just a single cap.
https://www.t-shirtwholesaler.com/flexfit
I hope you find something you like!
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this is the cap I wear all the time