Key Product Features. Low Profile - Shallow crown for a relaxed, casual fit Cotton Twill - Soft, breathable, and naturally comfortable for all-day wear Structured Front Panels - Full buckram construction delivers a firm, defined shape that holds its form Stretch Air Mesh Back - Soft, stretchable, and breathable mesh for all-day comfort and airflow Enclosed Back - Clean, fitted design for a streamlined look OTTO FLEX Stretchable Sweatband - A snug, flexible fit with antibacterial, anti-odor and moisture wicking properties U.S. Patent 6,347,410
