Zendai Black: Black National Geographic Original Multifunctional Tubular for man and woman. Multifunctional National Geographic neck tubular for adults designed with recycled materials. Comfortable, stretchable and featuring sun protection, the Original National Geographic neck tubular has plenty of possibilities.Multifunctional product designed for all-year-round use. Ideal protection against the cold during high intensity outdoor activities such as trail running, trekking, bouldering, hiking, horse riding cycling or riding a motorbike. Design: National Geographic. Size: One Size. Designed for adults.