OTTO CAP 6 Panel Low Profile Mesh Back Trucker Hat, Structured Firm Front Panel, Key Product Features. Low Profile - Shallow crown for a relaxed, casual fit Structured Front Panels - Full buckram construction delivers a firm, defined shape that holds its form Mesh Back - Provides enhanced airflow and breathability Black Metal Buckle - Matching fabric adjustable strap tucked neatly into the sweatband Self-Fabric Sweatband - For a seamless, color-matched look and enhanced comfort