Warms you up when it gets cold. Cools you down when it gets warm. The Energy Accumulator® Junior maintains optimum body temperature in all conditions. Whether for high-energy romping on the snow, exposed ski lifts or chilly training sessions at the skating rink. Thanks to its 3D-BionicSphere® System, body temperature remains close to an optimum 37 °C. The Norwegian National Ski Team – no stranger to cold conditions – also chooses X-BIONIC®. The junior version has been specially designed to provide the perfect anatomical fit for kids. The result is optimal protection and support for children – whether in competitive sport or just for fun and games.