White Sierra Women's Bug Free Sun Hat, Small/Medium, Sage 100% Nylon Peached Woven Imported Adjustable draw cord for custom fit Insect Shield fabric repels insects, including those that can carry lyme disease, west nile virus, malaria and other insect-borne diseases UPF sun protection fabric reduces your exposure to harmful UVA/UVB radiation Moisture wicking fabric pulls to the surface for quick Evaporation 4.5" wide brim