This cap is definitely one of a kind, a must-have for those who are solar-babies. Made from a durable anti-UV fabric, Italon UV, a washable nylon/polyester blend that has a protection factor of 45+. The bill/visor is 4" long so your nose will not burn under the sun. The green undervisor will help reduce any glare reflected from pavement or water. The alligator clip centered in the back of the cap prevents loss in a strong wind. The neck cape/flap provides sun protection for your neck and ears. The flap also hides a secret pocket for necessary items like keys or I.D. Adjustable drawcord and toggle centered in the back helps to ensure an easy fit. You can wear this cap in a myriad of ways: tuck the flap in for a more traditional ballcap or drop the flap down when under the sun. Available size: One size fits most. Available color: White, Stone, Khaki and Olive Green.