Polar Balaclava Junior. Polar balaclava for kids (4-12 years) by BUFF®. Stretchable and versatile neck accessory for kids made of warm fleece. Designed to maintain body temperature in cold weather conditions during outdoor. Ideal for hiking and snow sports like cross-country skiing, downhill skiing and snowboarding. Design: Patterned. Size: One Size. Designed for kids (4-12 years).