Outdoor Research Sandbox Sun Hat 86% Nylon/14% Polyester Imported Fabric performance: water-resistant, breathable, lightweight, wicking, Quick-Drying, transaction headband, UPF 50+ Design features: dark fabric under brim, floating foam-stiffened brim, packs in stash pocket, sewn eyelets, all-over print on crocus color way Functional details: breakaway removable chin cord, packable, crushable Breathable; Lightweight Protective SolarShield Construction Wicking TransAction Headband Sewn Eyelets for Ventilation