BUFF® Ms. Marvel Multi - Marvel Original Multifunctional Tubular Kids. Multifunctional Marvel neck tubular for kids (4-12 years) designed with recycled materials. Comfortable, stretchable and featuring sun protection, the Original Marvel neck tubular for Kids 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 or cycling. Design: Marvel. One Size. Designed for kids (4-12 years).