100% Cotton Imported Size: One size fit most fits most adult head circumference 23-24inch.Casual style suitable for men. Sun Protection:Wide brim keeps your face and neck safe from harmful rays. Comforable and Breathable:The sun hat has chin strap to prevent being blown away by the wind. Packable and foldable:The hat can be folded in half, easily carried inside your bags. Great choice for regular daily use and outdoor activities especially like bush walking, fishing, hunting, camping.