Outdoor Research Radar Cap 100% Nylon Imported Fabric performance: water-resistant, breathable, lightweight, wicking, Quick-Drying, transaction headband, UPF 50+ Design features: foldable brim, dark fabric under brim, embroidered Outdoor Research logo Functional details: packable, crushable Breathable; Lightweight Fabric-Covered Folding Brim Wicking TransAction Headband UPF 30 Sun Protection