Baseball cap with cotton twill fabric FLEXFIT THE ONE AND ONLY ORIGINAL The original Flexfit technology Mid profile, 6 panel, structured Curved Visor. Silver undervisor Made in Bangladesh or Vietnam Flexfit has been a trusted name in headwear for nearly 20 years, which is why The Hat Pros have teamed up to offer this best-selling style baseball cap. The one-size-fits-all THP Flexfit Hat Cotton Twill Cap from The Hat Pros is constructed with Yupoong's patented technology, and is made of 98% Cotton/2% Spandex to allow for an incredibly comfortable cap. Additionally, a specialized spandex material is weaved throughout the sweatband and crown of the hat for genuine Flexfit comfort.