- Unstructured 100% Cotton 14w Corduroy - Herringbone Underbrim & Ft Panel Lining - Vintage Felt Applique - Unstructured Crushable Upper - Custom Ampal Chino Twill Premium Sweatband w/ Sweat Barrier Ampal Unstructured Fit - unstructured like a vintage baseball cap but deep like a trucker or fitted hat.