OTTO CAP 6 Panel Mid Profile Baseball Cap, A Favorite for Professional Athletes!. Mid Profile - Our most popular profile, designed for a contoured fit All-Day Comfort - Sporty style that works on and off the field Polyester Pongee Fabric - Lightweight fabric with a soft, silky texture for everyday casual wear Structured Front Panels - Full buckram construction delivers a firm, defined shape that holds its form Hook Loop Closure - Quick and easy adjustment for a secure, comfortable fit Cool Comfort Standard Performance Sweatband - Antibacterial, anti-odor and moisture wicking properties