Original EcoStretch Temple - National Geographic Original EcoStretch Multifunctional Tubular. Multifunctional National Geographic neck tubular for adults designed with recycled materials. Comfortable, stretchable and featuring sun protection, the Original EcoStretch 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.