Breathable Aequora AirPerm™ fabric is lightweight, comfortable, and has excellent stretch FC0 DWR (Durable Water Repellent) finish repels moisture and is PFAS-free Front brim shades the face and is made from EVA foam to hold its shape and minimize weight Soft Spacermesh™ headband wicks moisture, allows airflow, and is quick drying Adjustable back with nylon webbing strap and separating buckle for a secure fit Raised-print Bird logo on front