“X-BIONIC® FireShield Underwear” combines the flame retardant yarn Aramid with the climate regulating technologies of “X-BIONIC®” and creates new dimensions in the field of motor sports apparel and work wear. This high-tech functional underwear qualifies for the most extreme demands in all fields of motor sports and work, especially under conditions with fire risks, such as firefighting, where the regulation of the body climate plays a crucial role. The “X-BIONIC® FireShield Underwear“ is strictly tested and approved by the FiA Institute for Motor Safety and provides an incomparable level of safety and climate control.