X-BIONIC® RADIATOR 4.0 JERSEY GOLD

A technical undershirt for cold days, the shirt has exceptional cooling and warming effects.

A great shirt that doesn't get wet even during intense training.

Perfect for running on cold days.

•  shorter drying time, highest cooling and heating capacity, reduced volume and many high-tech features.
• PATENTED 3D BIONIC SPHERE® SYSTEM WITH THERMOSYPHON® TECHNOLOGY. Features complex 3D structures of internal and external air channels.It cools when you sweat and warms when you are cold.
• IDEO-WAISTBAND IDEALLY designed, ergonomically optimized. With a higher cut line in the back area, the garment stays in place, even with constant movement.
• 100% pure SWISS ENGINEERED. Made in Italy. 700+ international awards and test wins, 800+ patent registrations for products with "X".