X-Bionic® Helmet Cap 4.0 Skull Beanie Sports Hat

Whether worn under a helmet or independently: with the helmet cap 4.0 you experience an unrestricted climate of well-being and optimum Wearing comfort thanks to high-performance functional zones. Insulation zones prevent heat loss through the top of the head, and the legendary patented 3D Bionic Sphere System enables adaptive thermoregulation by cooling when you Sweat And Warming when you' Re cold.

• 92% polyamide 6% elastane 2% polypropylene
• NEW 3D BIONIC SPHERE SYSTEM: patented, award-winning 3D Bionic Sphere System stops unpleasant moisture, the feeling of overheating and the risk of cooldown during rest and recovery phases
• SWEAT TRAPS: ergonomically positioned sweat traps prevent the moisture from dripping and provide active cooling. Patented in 22 countries
• RETINA 4.0: new 4.0 generation is the first to feature the Retina ultra-high definition quality for maximum precision of functionality. The result is an ultra-dense knitted fabric in which thermoregulating functional zones are precisely integrated
• EARCOMP ZONE Ensures perfect ventilation in cold conditions. Precious heat is prevented from escaping
• 100% PURE SWISS ENGINEERED: Made in Italy. 700+ international awards and test wins, 800+ patent registrations