Original EcoStretch Tubular: 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. Fit for most necks.  Optimal capacity for transferring moisture vapor away from the body keeping you dry and comfortable. Designed for improved sustainability, using exclusively Polyester microfiber obtained from clear plastic recycled bottles supplied and certified by REPREVE®