Product details - FOR: Commuting, work, and travel - FEEL: Cotton canvas feels sturdy, yet breathable and lightweight - FAVE: Mesh back panels for extra-breezy airflow - Embroidered logo - Adjustable snap-back closure - Product #593563 Size & fit - Circumference 21 3/4", Front panel width 7 1/2", Side panels 6 3/4" - M/L = 7-9.5 Fabric & care - 100% Polyester - BREATHABLE: Airflow moves easily through the garment - Hand wash and line dry. - Imported.