The INVENT FX Shirt uses intelligent regulation to prevent overheating. No matter how intense your workout is, the shirt keeps you comfortably cool and reduces the risk of discomfort. This allows you to fully focus on your activity and maximize your performance. The innovative 3D Bionic Sphere System functions like a personal air conditioning technician. It regulates your body temperature, keeping you warm when you're cold and cooling you down when you sweat. This way, your skin climate remains optimal, and you feel completely comfortable. The innovative RETINA technology ensures an even finer distribution of heat on your skin. Every small temperature change is immediately registered and balanced. The result is a consistently pleasant body sensation. The Pro Prio padding provides additional protection and comfort exactly where you need it. This allows you to concentrate fully on your winter sports activity and get the best out of yourself. With the X-BIONIC® INVENT FX SHIRT LS MEN, you are perfectly equipped for any winter adventure.