X BIONIC Helmet Cap 4.0 Beanie Hat Black/Charcoal, 1

With the helmet cap 4.0 you eXperience an unrestricted climate of well-being and optimum wearing comfort thanks to high-performance technologies The high-resolution Retina process produces an exceptionally dense material in which the functional zones are seamlessly integrated and can act with pinpoint precision The legendary patented 3D Bionic Sphere System enables adaptive thermoregulation by cooling when you sweat and warming when you' Re cold Sweat traps catch the sweat before it starts to flow and support the temperature balance through targeted evaporation 100% research, development, design and communication done in Switzerland, made in Italy. More than 600 awards and test Wins, over 800 patent registrations worldwide for the brand with the "X"