84% polyamide, 14% cotton, 2% elastane. Functional 6-panel hat Fully enclosed back part, Perfect fit thanks to elastane inserts and Flexfit® band, Breathable and quick-drying6 breathable basted holes, 8 decorative seams on visor, Laminated front panels. Size S/M = 56/57 cm, L/XL = 58/59 cm.