Sunday Afternoons Derma Safe Hat 100% Nylon Imported 3.75" front brim with floatable foam core and poly brim wire 3.25" side brim 7 1/2" back veil with lift up hook and loop tab UPF 50+ certified breathable sun fabric rating (mesh vents not rated) Water repellent / stain resistant UPF 50+ Resistant Recommended by Dermatologists Moisture Wicking