Dakine No Zone Black Hat * material: 100% polyester * mesh breathable lining * UPF 50+ * front and back gussets with brim to keep shape in wind or wet * mesh ventilation panel * adjustable drawstring around the neck * hat perimeter to single point download size S/M is approx. 57 cm, L/XL is approx. 59 cm, XXL is approx. 61 cm * suitable for water or surfing