Introducing the X-BIONIC B002 ENERGY ACCUMULATOR 4.0 for men, the perfect underlayer for your ski and wintersport activities. This high-performance product from X-BIONIC is designed to keep you warm and comfortable in the harshest conditions. With its advanced technology and innovative features, the B002 ENERGY ACCUMULATOR 4.0 ensures optimal moisture management and temperature regulation, allowing you to focus on your performance. Upgrade your winter gear with this top-quality underlayer from X-BIONIC.