Polar Tubular Kids. Multifunctional neck polar tubular for kids (4-12 years) by BUFF®. Stretchable and versatile neck accessory made of a lower fleece and an upper microfiber tubular. Versatile neck protection product designed for kids. Created for outdoor protection in cold weather conditions, it offers a practical alternative to traditional scarves. Design: Patterned. One Size. Designed for kids (4-12 years).