Sunday Afternoons Child Unisex Play Hat, Iris/Grape 100% Nylon; Mesh 100% Polyester Imported Fits Child 2-5 Years Old Head Diameter 20-33 2.5 - 4 down sloping brim with floatable foam core brim length depends on size Full 5.5 neck veil for protecting back of neck UPF 50+ certified sun rating mesh vents not rated, Water repellent / stain resistant Strategic mesh ventilation