The Buff Original Ecostretch Solid Necktube is 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. Made to fit most necks, and to protect your skin from long exposure to the sun, its new optimal capacity for transferring moisture vapor away from the body will keep you dry and comfortable. Designed for improved sustainability, using exclusively Polyester microfiber obtained from clear plastic recycled bottles supplied and certified by REPREVE®.