Thermal Shirt X-bionic Radiactor 4.0

Men Winter sports Base layeryour body performs best at 37 c, so the patented 3d bionic sphere system keeps it at this temperature Cooling you down when you're hot, or warming you up when you're cold. Designed in switzerland to excel in winter sports.

Men Winter sports Base layeryour body performs best at 37 c, so the patented 3d bionic sphere system keeps it at this temperature