OTTO CAP 6 Panel Mid Profile Mesh Back Trucker Hat, Key Product Features. Mid Profile - Our most popular profile, designed for a contoured fit Structured Front Panels - Full buckram construction delivers a firm, defined shape that holds its form Mesh Back - Provides enhanced airflow and breathability Plastic Snap - Premium durable closure for a secure fit and easy adjustment Thinner Value Sweatband - A cost-effective and lightweight fit