THIS NECK SHIELD ONLY WORKS WITH SHELTA SUN HATS. It attaches easily to our removable cord system, providing more UV protection for the neck, ears and face. It's lightweight, UPF 50+ rated and removable. Even though The neck shield was specifically designed for the narrow brimmed styles, it can still be worn with all Shelta styles effectively. How it works: The chin cord must be attached and worn snugly around the chin or worn military style (cinched tightly on the back of the neck) It can be worn 3 ways: On top of the back brim and away from the neck. Tucked under the back brim and close to the neck. Placed under the front brim and close to the face.