Sunday Afternoons Kids play Hat 23/4" - 33/4" down-sloping brim with floatable foam core (brim length depends on size) Full 51/2" - 6" neck veil for protecting back of neck (veil length depends on size) UPF 50+ Certified sun Rating (mesh vents not rated) Strategic mesh ventilation on child & youth sizes Water repellent/stain resistant Mesh ventilation on Child and Youth sizes, no mesh on Baby sizes. Certified UPF 50 sun protection 100% nylon/polyester Packs flat or rolls into a cone for travel 2.5"- 4" down sloping front brim & Full 5.5" neck veil