100% Nylon Made of protective micro-fiber features in 100 SPF 50 to prevent sun burn. Light weight fabric for comfort and extensive use, easy to carry. Wide brim and neck cover provides additional sun protection and easy storage. Unisex one size fit most. Mesh on both sides design, great ventilated to keep you cool in summer. Moisture-dispersing sweatband with adjustable drawstring, windproof, breathable, quick-drying Great gift for men and women This hat can be used as a Fishing hat, Sun Protection hat, Gardening hat, Safari hat, Boating hat, Travel hat, Hiking hat, Hunting hat, and Outdoor hat.