Kids Solid Black - Original EcoStretch Multifunctional Tubular Kids. Multifunctional neck tubular for kids (4-12 years) designed with recycled materials. Comfortable, stretchable and featuring sun protection, the Original EcoStretch 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. Designed for kids (4-12 years).